Home / 6,864.23-9,472.65-3,720.41

Finding the Fourth Proportional to 6,864.23, 9,472.65 and 3,720.41

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Solution

The fourth proportional to 6,864.23, 9,472.65 and 3,720.41 is: 5,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.23 : 9,472.65 = 3,720.41 : x
  2. Step 2: Convert to fraction form
    6,864.23/9,472.65 = 3,720.41/x
  3. Step 3: Cross multiply
    6,864.23x = 9,472.65 × 3,720.41
  4. Step 4: Simplify right side
    6,864.23x = 35,242,165.47
  5. Step 5: Solve for x
    x = 35,242,165.47/6,864.23
  6. Step 6: Final answer
    x = 5,134.18

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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.