Home / 5,345.28-8,011.85-3,344.90

Finding the Fourth Proportional to 5,345.28, 8,011.85 and 3,344.90

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Solution

The fourth proportional to 5,345.28, 8,011.85 and 3,344.90 is: 5,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.28 : 8,011.85 = 3,344.90 : x
  2. Step 2: Convert to fraction form
    5,345.28/8,011.85 = 3,344.90/x
  3. Step 3: Cross multiply
    5,345.28x = 8,011.85 × 3,344.90
  4. Step 4: Simplify right side
    5,345.28x = 26,798,780.28
  5. Step 5: Solve for x
    x = 26,798,780.28/5,345.28
  6. Step 6: Final answer
    x = 5,013.54

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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.