Home / 5,631.50-8,447.27-1,934.79

Finding the Fourth Proportional to 5,631.50, 8,447.27 and 1,934.79

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Solution

The fourth proportional to 5,631.50, 8,447.27 and 1,934.79 is: 2,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.50 : 8,447.27 = 1,934.79 : x
  2. Step 2: Convert to fraction form
    5,631.50/8,447.27 = 1,934.79/x
  3. Step 3: Cross multiply
    5,631.50x = 8,447.27 × 1,934.79
  4. Step 4: Simplify right side
    5,631.50x = 16,343,683.85
  5. Step 5: Solve for x
    x = 16,343,683.85/5,631.50
  6. Step 6: Final answer
    x = 2,902.19

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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.