Home / 5,587.83-8,378.67-1,691.73

Finding the Fourth Proportional to 5,587.83, 8,378.67 and 1,691.73

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Solution

The fourth proportional to 5,587.83, 8,378.67 and 1,691.73 is: 2,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.83 : 8,378.67 = 1,691.73 : x
  2. Step 2: Convert to fraction form
    5,587.83/8,378.67 = 1,691.73/x
  3. Step 3: Cross multiply
    5,587.83x = 8,378.67 × 1,691.73
  4. Step 4: Simplify right side
    5,587.83x = 14,174,447.40
  5. Step 5: Solve for x
    x = 14,174,447.40/5,587.83
  6. Step 6: Final answer
    x = 2,536.66

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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.