Home / 4,243.15-6,397.27-3,957.29

Finding the Fourth Proportional to 4,243.15, 6,397.27 and 3,957.29

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Solution

The fourth proportional to 4,243.15, 6,397.27 and 3,957.29 is: 5,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.15 : 6,397.27 = 3,957.29 : x
  2. Step 2: Convert to fraction form
    4,243.15/6,397.27 = 3,957.29/x
  3. Step 3: Cross multiply
    4,243.15x = 6,397.27 × 3,957.29
  4. Step 4: Simplify right side
    4,243.15x = 25,315,834.71
  5. Step 5: Solve for x
    x = 25,315,834.71/4,243.15
  6. Step 6: Final answer
    x = 5,966.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.