Home / 8,958.73-13,438.14-2,385.40

Finding the Fourth Proportional to 8,958.73, 13,438.14 and 2,385.40

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Solution

The fourth proportional to 8,958.73, 13,438.14 and 2,385.40 is: 3,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.73 : 13,438.14 = 2,385.40 : x
  2. Step 2: Convert to fraction form
    8,958.73/13,438.14 = 2,385.40/x
  3. Step 3: Cross multiply
    8,958.73x = 13,438.14 × 2,385.40
  4. Step 4: Simplify right side
    8,958.73x = 32,055,339.16
  5. Step 5: Solve for x
    x = 32,055,339.16/8,958.73
  6. Step 6: Final answer
    x = 3,578.11

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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.