Home / 5,380.70-8,061.45-4,612.70

Finding the Fourth Proportional to 5,380.70, 8,061.45 and 4,612.70

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Solution

The fourth proportional to 5,380.70, 8,061.45 and 4,612.70 is: 6,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.70 : 8,061.45 = 4,612.70 : x
  2. Step 2: Convert to fraction form
    5,380.70/8,061.45 = 4,612.70/x
  3. Step 3: Cross multiply
    5,380.70x = 8,061.45 × 4,612.70
  4. Step 4: Simplify right side
    5,380.70x = 37,185,050.42
  5. Step 5: Solve for x
    x = 37,185,050.42/5,380.70
  6. Step 6: Final answer
    x = 6,910.82

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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.