Home / 9,020.60-13,530.90-2,446.78

Finding the Fourth Proportional to 9,020.60, 13,530.90 and 2,446.78

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Solution

The fourth proportional to 9,020.60, 13,530.90 and 2,446.78 is: 3,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.60 : 13,530.90 = 2,446.78 : x
  2. Step 2: Convert to fraction form
    9,020.60/13,530.90 = 2,446.78/x
  3. Step 3: Cross multiply
    9,020.60x = 13,530.90 × 2,446.78
  4. Step 4: Simplify right side
    9,020.60x = 33,107,135.50
  5. Step 5: Solve for x
    x = 33,107,135.50/9,020.60
  6. Step 6: Final answer
    x = 3,670.17

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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.