Home / 7,624.06-11,428.88-2,690.30

Finding the Fourth Proportional to 7,624.06, 11,428.88 and 2,690.30

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Solution

The fourth proportional to 7,624.06, 11,428.88 and 2,690.30 is: 4,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.06 : 11,428.88 = 2,690.30 : x
  2. Step 2: Convert to fraction form
    7,624.06/11,428.88 = 2,690.30/x
  3. Step 3: Cross multiply
    7,624.06x = 11,428.88 × 2,690.30
  4. Step 4: Simplify right side
    7,624.06x = 30,747,115.86
  5. Step 5: Solve for x
    x = 30,747,115.86/7,624.06
  6. Step 6: Final answer
    x = 4,032.91

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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.