Home / 6,931.30-9,565.39-3,865.22

Finding the Fourth Proportional to 6,931.30, 9,565.39 and 3,865.22

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Solution

The fourth proportional to 6,931.30, 9,565.39 and 3,865.22 is: 5,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.30 : 9,565.39 = 3,865.22 : x
  2. Step 2: Convert to fraction form
    6,931.30/9,565.39 = 3,865.22/x
  3. Step 3: Cross multiply
    6,931.30x = 9,565.39 × 3,865.22
  4. Step 4: Simplify right side
    6,931.30x = 36,972,334.91
  5. Step 5: Solve for x
    x = 36,972,334.91/6,931.30
  6. Step 6: Final answer
    x = 5,334.11

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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.