Home / 8,280.62-11,427.29-4,503.81

Finding the Fourth Proportional to 8,280.62, 11,427.29 and 4,503.81

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Solution

The fourth proportional to 8,280.62, 11,427.29 and 4,503.81 is: 6,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.62 : 11,427.29 = 4,503.81 : x
  2. Step 2: Convert to fraction form
    8,280.62/11,427.29 = 4,503.81/x
  3. Step 3: Cross multiply
    8,280.62x = 11,427.29 × 4,503.81
  4. Step 4: Simplify right side
    8,280.62x = 51,466,342.97
  5. Step 5: Solve for x
    x = 51,466,342.97/8,280.62
  6. Step 6: Final answer
    x = 6,215.28

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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.