Home / 8,743.19-13,117.14-2,899.85

Finding the Fourth Proportional to 8,743.19, 13,117.14 and 2,899.85

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Solution

The fourth proportional to 8,743.19, 13,117.14 and 2,899.85 is: 4,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.19 : 13,117.14 = 2,899.85 : x
  2. Step 2: Convert to fraction form
    8,743.19/13,117.14 = 2,899.85/x
  3. Step 3: Cross multiply
    8,743.19x = 13,117.14 × 2,899.85
  4. Step 4: Simplify right side
    8,743.19x = 38,037,672.84
  5. Step 5: Solve for x
    x = 38,037,672.84/8,743.19
  6. Step 6: Final answer
    x = 4,350.55

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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.