Home / 5,445.25-8,167.92-1,341.25

Finding the Fourth Proportional to 5,445.25, 8,167.92 and 1,341.25

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Solution

The fourth proportional to 5,445.25, 8,167.92 and 1,341.25 is: 2,011.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.25 : 8,167.92 = 1,341.25 : x
  2. Step 2: Convert to fraction form
    5,445.25/8,167.92 = 1,341.25/x
  3. Step 3: Cross multiply
    5,445.25x = 8,167.92 × 1,341.25
  4. Step 4: Simplify right side
    5,445.25x = 10,955,222.70
  5. Step 5: Solve for x
    x = 10,955,222.70/5,445.25
  6. Step 6: Final answer
    x = 2,011.89

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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.