Home / 8,280.98-11,427.80-4,504.19

Finding the Fourth Proportional to 8,280.98, 11,427.80 and 4,504.19

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Solution

The fourth proportional to 8,280.98, 11,427.80 and 4,504.19 is: 6,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.98 : 11,427.80 = 4,504.19 : x
  2. Step 2: Convert to fraction form
    8,280.98/11,427.80 = 4,504.19/x
  3. Step 3: Cross multiply
    8,280.98x = 11,427.80 × 4,504.19
  4. Step 4: Simplify right side
    8,280.98x = 51,472,982.48
  5. Step 5: Solve for x
    x = 51,472,982.48/8,280.98
  6. Step 6: Final answer
    x = 6,215.81

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Half scale
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Double scale
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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.