Home / 8,987.04-13,468.68-5,694.48

Finding the Fourth Proportional to 8,987.04, 13,468.68 and 5,694.48

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Solution

The fourth proportional to 8,987.04, 13,468.68 and 5,694.48 is: 8,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.04 : 13,468.68 = 5,694.48 : x
  2. Step 2: Convert to fraction form
    8,987.04/13,468.68 = 5,694.48/x
  3. Step 3: Cross multiply
    8,987.04x = 13,468.68 × 5,694.48
  4. Step 4: Simplify right side
    8,987.04x = 76,697,128.89
  5. Step 5: Solve for x
    x = 76,697,128.89/8,987.04
  6. Step 6: Final answer
    x = 8,534.19

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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.