Home / 6,805.24-9,389.60-4,151.68

Finding the Fourth Proportional to 6,805.24, 9,389.60 and 4,151.68

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Solution

The fourth proportional to 6,805.24, 9,389.60 and 4,151.68 is: 5,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.24 : 9,389.60 = 4,151.68 : x
  2. Step 2: Convert to fraction form
    6,805.24/9,389.60 = 4,151.68/x
  3. Step 3: Cross multiply
    6,805.24x = 9,389.60 × 4,151.68
  4. Step 4: Simplify right side
    6,805.24x = 38,982,614.53
  5. Step 5: Solve for x
    x = 38,982,614.53/6,805.24
  6. Step 6: Final answer
    x = 5,728.32

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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.