Home / 5,287.06-7,915.47-3,552.58

Finding the Fourth Proportional to 5,287.06, 7,915.47 and 3,552.58

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Solution

The fourth proportional to 5,287.06, 7,915.47 and 3,552.58 is: 5,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.06 : 7,915.47 = 3,552.58 : x
  2. Step 2: Convert to fraction form
    5,287.06/7,915.47 = 3,552.58/x
  3. Step 3: Cross multiply
    5,287.06x = 7,915.47 × 3,552.58
  4. Step 4: Simplify right side
    5,287.06x = 28,120,340.41
  5. Step 5: Solve for x
    x = 28,120,340.41/5,287.06
  6. Step 6: Final answer
    x = 5,318.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.