Home / 8,904.38-13,355.01-2,980.85

Finding the Fourth Proportional to 8,904.38, 13,355.01 and 2,980.85

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Solution

The fourth proportional to 8,904.38, 13,355.01 and 2,980.85 is: 4,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.38 : 13,355.01 = 2,980.85 : x
  2. Step 2: Convert to fraction form
    8,904.38/13,355.01 = 2,980.85/x
  3. Step 3: Cross multiply
    8,904.38x = 13,355.01 × 2,980.85
  4. Step 4: Simplify right side
    8,904.38x = 39,809,214.78
  5. Step 5: Solve for x
    x = 39,809,214.78/8,904.38
  6. Step 6: Final answer
    x = 4,470.75

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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.