Home / 7,728.72-10,666.17-4,371.27

Finding the Fourth Proportional to 7,728.72, 10,666.17 and 4,371.27

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Solution

The fourth proportional to 7,728.72, 10,666.17 and 4,371.27 is: 6,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.72 : 10,666.17 = 4,371.27 : x
  2. Step 2: Convert to fraction form
    7,728.72/10,666.17 = 4,371.27/x
  3. Step 3: Cross multiply
    7,728.72x = 10,666.17 × 4,371.27
  4. Step 4: Simplify right side
    7,728.72x = 46,624,708.94
  5. Step 5: Solve for x
    x = 46,624,708.94/7,728.72
  6. Step 6: Final answer
    x = 6,032.66

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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.