Home / 5,625.86-8,439.70-2,116.14

Finding the Fourth Proportional to 5,625.86, 8,439.70 and 2,116.14

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Solution

The fourth proportional to 5,625.86, 8,439.70 and 2,116.14 is: 3,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.86 : 8,439.70 = 2,116.14 : x
  2. Step 2: Convert to fraction form
    5,625.86/8,439.70 = 2,116.14/x
  3. Step 3: Cross multiply
    5,625.86x = 8,439.70 × 2,116.14
  4. Step 4: Simplify right side
    5,625.86x = 17,859,586.76
  5. Step 5: Solve for x
    x = 17,859,586.76/5,625.86
  6. Step 6: Final answer
    x = 3,174.55

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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.