Home / 8,447.06-12,672.35-2,899.10

Finding the Fourth Proportional to 8,447.06, 12,672.35 and 2,899.10

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Solution

The fourth proportional to 8,447.06, 12,672.35 and 2,899.10 is: 4,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.06 : 12,672.35 = 2,899.10 : x
  2. Step 2: Convert to fraction form
    8,447.06/12,672.35 = 2,899.10/x
  3. Step 3: Cross multiply
    8,447.06x = 12,672.35 × 2,899.10
  4. Step 4: Simplify right side
    8,447.06x = 36,738,409.89
  5. Step 5: Solve for x
    x = 36,738,409.89/8,447.06
  6. Step 6: Final answer
    x = 4,349.25

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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.