Home / 8,958.92-13,438.02-3,116.84

Finding the Fourth Proportional to 8,958.92, 13,438.02 and 3,116.84

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Solution

The fourth proportional to 8,958.92, 13,438.02 and 3,116.84 is: 4,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.92 : 13,438.02 = 3,116.84 : x
  2. Step 2: Convert to fraction form
    8,958.92/13,438.02 = 3,116.84/x
  3. Step 3: Cross multiply
    8,958.92x = 13,438.02 × 3,116.84
  4. Step 4: Simplify right side
    8,958.92x = 41,884,158.26
  5. Step 5: Solve for x
    x = 41,884,158.26/8,958.92
  6. Step 6: Final answer
    x = 4,675.13

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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.