Home / 6,156.90-8,479.26-5,761.62

Finding the Fourth Proportional to 6,156.90, 8,479.26 and 5,761.62

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Solution

The fourth proportional to 6,156.90, 8,479.26 and 5,761.62 is: 7,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.90 : 8,479.26 = 5,761.62 : x
  2. Step 2: Convert to fraction form
    6,156.90/8,479.26 = 5,761.62/x
  3. Step 3: Cross multiply
    6,156.90x = 8,479.26 × 5,761.62
  4. Step 4: Simplify right side
    6,156.90x = 48,854,274.00
  5. Step 5: Solve for x
    x = 48,854,274.00/6,156.90
  6. Step 6: Final answer
    x = 7,934.88

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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.