Home / 5,272.64-7,276.64-2,915.19

Finding the Fourth Proportional to 5,272.64, 7,276.64 and 2,915.19

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Solution

The fourth proportional to 5,272.64, 7,276.64 and 2,915.19 is: 4,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.64 : 7,276.64 = 2,915.19 : x
  2. Step 2: Convert to fraction form
    5,272.64/7,276.64 = 2,915.19/x
  3. Step 3: Cross multiply
    5,272.64x = 7,276.64 × 2,915.19
  4. Step 4: Simplify right side
    5,272.64x = 21,212,773.59
  5. Step 5: Solve for x
    x = 21,212,773.59/5,272.64
  6. Step 6: Final answer
    x = 4,023.18

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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.