Home / 7,217.40-9,957.36-4,232.15

Finding the Fourth Proportional to 7,217.40, 9,957.36 and 4,232.15

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Solution

The fourth proportional to 7,217.40, 9,957.36 and 4,232.15 is: 5,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.40 : 9,957.36 = 4,232.15 : x
  2. Step 2: Convert to fraction form
    7,217.40/9,957.36 = 4,232.15/x
  3. Step 3: Cross multiply
    7,217.40x = 9,957.36 × 4,232.15
  4. Step 4: Simplify right side
    7,217.40x = 42,141,044.55
  5. Step 5: Solve for x
    x = 42,141,044.55/7,217.40
  6. Step 6: Final answer
    x = 5,838.81

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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.