Home / 8,559.99-12,841.29-5,276.61

Finding the Fourth Proportional to 8,559.99, 12,841.29 and 5,276.61

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Solution

The fourth proportional to 8,559.99, 12,841.29 and 5,276.61 is: 7,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.99 : 12,841.29 = 5,276.61 : x
  2. Step 2: Convert to fraction form
    8,559.99/12,841.29 = 5,276.61/x
  3. Step 3: Cross multiply
    8,559.99x = 12,841.29 × 5,276.61
  4. Step 4: Simplify right side
    8,559.99x = 67,758,479.23
  5. Step 5: Solve for x
    x = 67,758,479.23/8,559.99
  6. Step 6: Final answer
    x = 7,915.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.