Home / 9,102.35-12,565.11-6,119.91

Finding the Fourth Proportional to 9,102.35, 12,565.11 and 6,119.91

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Solution

The fourth proportional to 9,102.35, 12,565.11 and 6,119.91 is: 8,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.35 : 12,565.11 = 6,119.91 : x
  2. Step 2: Convert to fraction form
    9,102.35/12,565.11 = 6,119.91/x
  3. Step 3: Cross multiply
    9,102.35x = 12,565.11 × 6,119.91
  4. Step 4: Simplify right side
    9,102.35x = 76,897,334.69
  5. Step 5: Solve for x
    x = 76,897,334.69/9,102.35
  6. Step 6: Final answer
    x = 8,448.08

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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.