Home / 5,445.12-8,167.68-1,341.12

Finding the Fourth Proportional to 5,445.12, 8,167.68 and 1,341.12

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Solution

The fourth proportional to 5,445.12, 8,167.68 and 1,341.12 is: 2,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.12 : 8,167.68 = 1,341.12 : x
  2. Step 2: Convert to fraction form
    5,445.12/8,167.68 = 1,341.12/x
  3. Step 3: Cross multiply
    5,445.12x = 8,167.68 × 1,341.12
  4. Step 4: Simplify right side
    5,445.12x = 10,953,839.00
  5. Step 5: Solve for x
    x = 10,953,839.00/5,445.12
  6. Step 6: Final answer
    x = 2,011.68

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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.