Home / 5,715.60-8,575.13-2,715.91

Finding the Fourth Proportional to 5,715.60, 8,575.13 and 2,715.91

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Solution

The fourth proportional to 5,715.60, 8,575.13 and 2,715.91 is: 4,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.60 : 8,575.13 = 2,715.91 : x
  2. Step 2: Convert to fraction form
    5,715.60/8,575.13 = 2,715.91/x
  3. Step 3: Cross multiply
    5,715.60x = 8,575.13 × 2,715.91
  4. Step 4: Simplify right side
    5,715.60x = 23,289,266.67
  5. Step 5: Solve for x
    x = 23,289,266.67/5,715.60
  6. Step 6: Final answer
    x = 4,074.69

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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.