Home / 8,789.59-13,184.54-3,240.08

Finding the Fourth Proportional to 8,789.59, 13,184.54 and 3,240.08

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Solution

The fourth proportional to 8,789.59, 13,184.54 and 3,240.08 is: 4,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.59 : 13,184.54 = 3,240.08 : x
  2. Step 2: Convert to fraction form
    8,789.59/13,184.54 = 3,240.08/x
  3. Step 3: Cross multiply
    8,789.59x = 13,184.54 × 3,240.08
  4. Step 4: Simplify right side
    8,789.59x = 42,718,964.36
  5. Step 5: Solve for x
    x = 42,718,964.36/8,789.59
  6. Step 6: Final answer
    x = 4,860.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.