Home / 8,635.25-11,916.21-5,097.78

Finding the Fourth Proportional to 8,635.25, 11,916.21 and 5,097.78

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Solution

The fourth proportional to 8,635.25, 11,916.21 and 5,097.78 is: 7,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.25 : 11,916.21 = 5,097.78 : x
  2. Step 2: Convert to fraction form
    8,635.25/11,916.21 = 5,097.78/x
  3. Step 3: Cross multiply
    8,635.25x = 11,916.21 × 5,097.78
  4. Step 4: Simplify right side
    8,635.25x = 60,746,236.13
  5. Step 5: Solve for x
    x = 60,746,236.13/8,635.25
  6. Step 6: Final answer
    x = 7,034.68

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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.