Home / 6,781.23-10,105.29-6,558.28

Finding the Fourth Proportional to 6,781.23, 10,105.29 and 6,558.28

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Solution

The fourth proportional to 6,781.23, 10,105.29 and 6,558.28 is: 9,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.23 : 10,105.29 = 6,558.28 : x
  2. Step 2: Convert to fraction form
    6,781.23/10,105.29 = 6,558.28/x
  3. Step 3: Cross multiply
    6,781.23x = 10,105.29 × 6,558.28
  4. Step 4: Simplify right side
    6,781.23x = 66,273,296.04
  5. Step 5: Solve for x
    x = 66,273,296.04/6,781.23
  6. Step 6: Final answer
    x = 9,773.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.