Home / 5,631.51-8,445.17-1,932.69

Finding the Fourth Proportional to 5,631.51, 8,445.17 and 1,932.69

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Solution

The fourth proportional to 5,631.51, 8,445.17 and 1,932.69 is: 2,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.51 : 8,445.17 = 1,932.69 : x
  2. Step 2: Convert to fraction form
    5,631.51/8,445.17 = 1,932.69/x
  3. Step 3: Cross multiply
    5,631.51x = 8,445.17 × 1,932.69
  4. Step 4: Simplify right side
    5,631.51x = 16,321,885.94
  5. Step 5: Solve for x
    x = 16,321,885.94/5,631.51
  6. Step 6: Final answer
    x = 2,898.31

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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.