Home / 8,988.04-13,482.16-3,144.68

Finding the Fourth Proportional to 8,988.04, 13,482.16 and 3,144.68

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Solution

The fourth proportional to 8,988.04, 13,482.16 and 3,144.68 is: 4,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.04 : 13,482.16 = 3,144.68 : x
  2. Step 2: Convert to fraction form
    8,988.04/13,482.16 = 3,144.68/x
  3. Step 3: Cross multiply
    8,988.04x = 13,482.16 × 3,144.68
  4. Step 4: Simplify right side
    8,988.04x = 42,397,078.91
  5. Step 5: Solve for x
    x = 42,397,078.91/8,988.04
  6. Step 6: Final answer
    x = 4,717.05

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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.