Home / 7,149.17-10,727.98-2,988.86

Finding the Fourth Proportional to 7,149.17, 10,727.98 and 2,988.86

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Solution

The fourth proportional to 7,149.17, 10,727.98 and 2,988.86 is: 4,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.17 : 10,727.98 = 2,988.86 : x
  2. Step 2: Convert to fraction form
    7,149.17/10,727.98 = 2,988.86/x
  3. Step 3: Cross multiply
    7,149.17x = 10,727.98 × 2,988.86
  4. Step 4: Simplify right side
    7,149.17x = 32,064,430.30
  5. Step 5: Solve for x
    x = 32,064,430.30/7,149.17
  6. Step 6: Final answer
    x = 4,485.06

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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.