Home / 8,979.04-13,468.89-4,591.36

Finding the Fourth Proportional to 8,979.04, 13,468.89 and 4,591.36

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Solution

The fourth proportional to 8,979.04, 13,468.89 and 4,591.36 is: 6,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.04 : 13,468.89 = 4,591.36 : x
  2. Step 2: Convert to fraction form
    8,979.04/13,468.89 = 4,591.36/x
  3. Step 3: Cross multiply
    8,979.04x = 13,468.89 × 4,591.36
  4. Step 4: Simplify right side
    8,979.04x = 61,840,522.79
  5. Step 5: Solve for x
    x = 61,840,522.79/8,979.04
  6. Step 6: Final answer
    x = 6,887.21

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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.