Home / 8,860.29-13,290.39-2,285.91

Finding the Fourth Proportional to 8,860.29, 13,290.39 and 2,285.91

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Solution

The fourth proportional to 8,860.29, 13,290.39 and 2,285.91 is: 3,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.29 : 13,290.39 = 2,285.91 : x
  2. Step 2: Convert to fraction form
    8,860.29/13,290.39 = 2,285.91/x
  3. Step 3: Cross multiply
    8,860.29x = 13,290.39 × 2,285.91
  4. Step 4: Simplify right side
    8,860.29x = 30,380,635.40
  5. Step 5: Solve for x
    x = 30,380,635.40/8,860.29
  6. Step 6: Final answer
    x = 3,428.85

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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.