Home / 5,154.18-7,108.98-3,385.14

Finding the Fourth Proportional to 5,154.18, 7,108.98 and 3,385.14

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Solution

The fourth proportional to 5,154.18, 7,108.98 and 3,385.14 is: 4,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.18 : 7,108.98 = 3,385.14 : x
  2. Step 2: Convert to fraction form
    5,154.18/7,108.98 = 3,385.14/x
  3. Step 3: Cross multiply
    5,154.18x = 7,108.98 × 3,385.14
  4. Step 4: Simplify right side
    5,154.18x = 24,064,892.56
  5. Step 5: Solve for x
    x = 24,064,892.56/5,154.18
  6. Step 6: Final answer
    x = 4,669.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.