Home / 9,102.36-12,565.13-6,119.92

Finding the Fourth Proportional to 9,102.36, 12,565.13 and 6,119.92

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Solution

The fourth proportional to 9,102.36, 12,565.13 and 6,119.92 is: 8,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.36 : 12,565.13 = 6,119.92 : x
  2. Step 2: Convert to fraction form
    9,102.36/12,565.13 = 6,119.92/x
  3. Step 3: Cross multiply
    9,102.36x = 12,565.13 × 6,119.92
  4. Step 4: Simplify right side
    9,102.36x = 76,897,590.39
  5. Step 5: Solve for x
    x = 76,897,590.39/9,102.36
  6. Step 6: Final answer
    x = 8,448.09

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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.