Home / 8,499.06-12,748.60-2,656.18

Finding the Fourth Proportional to 8,499.06, 12,748.60 and 2,656.18

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Solution

The fourth proportional to 8,499.06, 12,748.60 and 2,656.18 is: 3,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.06 : 12,748.60 = 2,656.18 : x
  2. Step 2: Convert to fraction form
    8,499.06/12,748.60 = 2,656.18/x
  3. Step 3: Cross multiply
    8,499.06x = 12,748.60 × 2,656.18
  4. Step 4: Simplify right side
    8,499.06x = 33,862,576.35
  5. Step 5: Solve for x
    x = 33,862,576.35/8,499.06
  6. Step 6: Final answer
    x = 3,984.27

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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.