Home / 5,125.32-7,073.01-3,108.42

Finding the Fourth Proportional to 5,125.32, 7,073.01 and 3,108.42

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Solution

The fourth proportional to 5,125.32, 7,073.01 and 3,108.42 is: 4,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.32 : 7,073.01 = 3,108.42 : x
  2. Step 2: Convert to fraction form
    5,125.32/7,073.01 = 3,108.42/x
  3. Step 3: Cross multiply
    5,125.32x = 7,073.01 × 3,108.42
  4. Step 4: Simplify right side
    5,125.32x = 21,985,885.74
  5. Step 5: Solve for x
    x = 21,985,885.74/5,125.32
  6. Step 6: Final answer
    x = 4,289.66

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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.