Home / 8,739.68-12,061.20-4,962.88

Finding the Fourth Proportional to 8,739.68, 12,061.20 and 4,962.88

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Solution

The fourth proportional to 8,739.68, 12,061.20 and 4,962.88 is: 6,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.68 : 12,061.20 = 4,962.88 : x
  2. Step 2: Convert to fraction form
    8,739.68/12,061.20 = 4,962.88/x
  3. Step 3: Cross multiply
    8,739.68x = 12,061.20 × 4,962.88
  4. Step 4: Simplify right side
    8,739.68x = 59,858,288.26
  5. Step 5: Solve for x
    x = 59,858,288.26/8,739.68
  6. Step 6: Final answer
    x = 6,849.03

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1.5x scale

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.