Home / 8,339.13-11,507.75-4,981.19

Finding the Fourth Proportional to 8,339.13, 11,507.75 and 4,981.19

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Solution

The fourth proportional to 8,339.13, 11,507.75 and 4,981.19 is: 6,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.13 : 11,507.75 = 4,981.19 : x
  2. Step 2: Convert to fraction form
    8,339.13/11,507.75 = 4,981.19/x
  3. Step 3: Cross multiply
    8,339.13x = 11,507.75 × 4,981.19
  4. Step 4: Simplify right side
    8,339.13x = 57,322,206.78
  5. Step 5: Solve for x
    x = 57,322,206.78/8,339.13
  6. Step 6: Final answer
    x = 6,873.88

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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.