Home / 7,624.30-11,436.11-2,077.68

Finding the Fourth Proportional to 7,624.30, 11,436.11 and 2,077.68

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Solution

The fourth proportional to 7,624.30, 11,436.11 and 2,077.68 is: 3,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.30 : 11,436.11 = 2,077.68 : x
  2. Step 2: Convert to fraction form
    7,624.30/11,436.11 = 2,077.68/x
  3. Step 3: Cross multiply
    7,624.30x = 11,436.11 × 2,077.68
  4. Step 4: Simplify right side
    7,624.30x = 23,760,526.66
  5. Step 5: Solve for x
    x = 23,760,526.66/7,624.30
  6. Step 6: Final answer
    x = 3,116.42

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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.