Home / 5,520.64-8,267.28-3,434.08

Finding the Fourth Proportional to 5,520.64, 8,267.28 and 3,434.08

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Solution

The fourth proportional to 5,520.64, 8,267.28 and 3,434.08 is: 5,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.64 : 8,267.28 = 3,434.08 : x
  2. Step 2: Convert to fraction form
    5,520.64/8,267.28 = 3,434.08/x
  3. Step 3: Cross multiply
    5,520.64x = 8,267.28 × 3,434.08
  4. Step 4: Simplify right side
    5,520.64x = 28,390,500.90
  5. Step 5: Solve for x
    x = 28,390,500.90/5,520.64
  6. Step 6: Final answer
    x = 5,142.61

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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.