Home / 5,108.68-7,618.64-4,454.20

Finding the Fourth Proportional to 5,108.68, 7,618.64 and 4,454.20

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Solution

The fourth proportional to 5,108.68, 7,618.64 and 4,454.20 is: 6,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.68 : 7,618.64 = 4,454.20 : x
  2. Step 2: Convert to fraction form
    5,108.68/7,618.64 = 4,454.20/x
  3. Step 3: Cross multiply
    5,108.68x = 7,618.64 × 4,454.20
  4. Step 4: Simplify right side
    5,108.68x = 33,934,946.29
  5. Step 5: Solve for x
    x = 33,934,946.29/5,108.68
  6. Step 6: Final answer
    x = 6,642.61

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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.