Home / 5,456.90-8,193.45-4,225.70

Finding the Fourth Proportional to 5,456.90, 8,193.45 and 4,225.70

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Solution

The fourth proportional to 5,456.90, 8,193.45 and 4,225.70 is: 6,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.90 : 8,193.45 = 4,225.70 : x
  2. Step 2: Convert to fraction form
    5,456.90/8,193.45 = 4,225.70/x
  3. Step 3: Cross multiply
    5,456.90x = 8,193.45 × 4,225.70
  4. Step 4: Simplify right side
    5,456.90x = 34,623,061.67
  5. Step 5: Solve for x
    x = 34,623,061.67/5,456.90
  6. Step 6: Final answer
    x = 6,344.82

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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.