Home / 8,499.24-12,749.60-2,655.88

Finding the Fourth Proportional to 8,499.24, 12,749.60 and 2,655.88

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Solution

The fourth proportional to 8,499.24, 12,749.60 and 2,655.88 is: 3,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.24 : 12,749.60 = 2,655.88 : x
  2. Step 2: Convert to fraction form
    8,499.24/12,749.60 = 2,655.88/x
  3. Step 3: Cross multiply
    8,499.24x = 12,749.60 × 2,655.88
  4. Step 4: Simplify right side
    8,499.24x = 33,861,407.65
  5. Step 5: Solve for x
    x = 33,861,407.65/8,499.24
  6. Step 6: Final answer
    x = 3,984.05

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1.5x scale

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.