Home / 8,280.48-11,427.11-4,503.69

Finding the Fourth Proportional to 8,280.48, 11,427.11 and 4,503.69

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Solution

The fourth proportional to 8,280.48, 11,427.11 and 4,503.69 is: 6,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.48 : 11,427.11 = 4,503.69 : x
  2. Step 2: Convert to fraction form
    8,280.48/11,427.11 = 4,503.69/x
  3. Step 3: Cross multiply
    8,280.48x = 11,427.11 × 4,503.69
  4. Step 4: Simplify right side
    8,280.48x = 51,464,161.04
  5. Step 5: Solve for x
    x = 51,464,161.04/8,280.48
  6. Step 6: Final answer
    x = 6,215.12

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,281.48, 11,428.49 and 4,504.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.