Home / 5,717.85-8,575.39-1,557.88

Finding the Fourth Proportional to 5,717.85, 8,575.39 and 1,557.88

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Solution

The fourth proportional to 5,717.85, 8,575.39 and 1,557.88 is: 2,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.85 : 8,575.39 = 1,557.88 : x
  2. Step 2: Convert to fraction form
    5,717.85/8,575.39 = 1,557.88/x
  3. Step 3: Cross multiply
    5,717.85x = 8,575.39 × 1,557.88
  4. Step 4: Simplify right side
    5,717.85x = 13,359,403.24
  5. Step 5: Solve for x
    x = 13,359,403.24/5,717.85
  6. Step 6: Final answer
    x = 2,336.44

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1.5x scale

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.