Home / 8,155.57-11,254.96-4,618.71

Finding the Fourth Proportional to 8,155.57, 11,254.96 and 4,618.71

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Solution

The fourth proportional to 8,155.57, 11,254.96 and 4,618.71 is: 6,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.57 : 11,254.96 = 4,618.71 : x
  2. Step 2: Convert to fraction form
    8,155.57/11,254.96 = 4,618.71/x
  3. Step 3: Cross multiply
    8,155.57x = 11,254.96 × 4,618.71
  4. Step 4: Simplify right side
    8,155.57x = 51,983,396.30
  5. Step 5: Solve for x
    x = 51,983,396.30/8,155.57
  6. Step 6: Final answer
    x = 6,373.97

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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.