Home / 8,987.04-12,402-5,849.28

Finding the Fourth Proportional to 8,987.04, 12,402 and 5,849.28

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Solution

The fourth proportional to 8,987.04, 12,402 and 5,849.28 is: 8,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.04 : 12,402 = 5,849.28 : x
  2. Step 2: Convert to fraction form
    8,987.04/12,402 = 5,849.28/x
  3. Step 3: Cross multiply
    8,987.04x = 12,402 × 5,849.28
  4. Step 4: Simplify right side
    8,987.04x = 72,542,770.56
  5. Step 5: Solve for x
    x = 72,542,770.56/8,987.04
  6. Step 6: Final answer
    x = 8,071.93

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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.