Home / 8,119.30-11,204.67-4,393.30

Finding the Fourth Proportional to 8,119.30, 11,204.67 and 4,393.30

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Solution

The fourth proportional to 8,119.30, 11,204.67 and 4,393.30 is: 6,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.30 : 11,204.67 = 4,393.30 : x
  2. Step 2: Convert to fraction form
    8,119.30/11,204.67 = 4,393.30/x
  3. Step 3: Cross multiply
    8,119.30x = 11,204.67 × 4,393.30
  4. Step 4: Simplify right side
    8,119.30x = 49,225,476.71
  5. Step 5: Solve for x
    x = 49,225,476.71/8,119.30
  6. Step 6: Final answer
    x = 6,062.77

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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.