Home / 7,788.04-11,680.34-2,240.15

Finding the Fourth Proportional to 7,788.04, 11,680.34 and 2,240.15

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Solution

The fourth proportional to 7,788.04, 11,680.34 and 2,240.15 is: 3,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.04 : 11,680.34 = 2,240.15 : x
  2. Step 2: Convert to fraction form
    7,788.04/11,680.34 = 2,240.15/x
  3. Step 3: Cross multiply
    7,788.04x = 11,680.34 × 2,240.15
  4. Step 4: Simplify right side
    7,788.04x = 26,165,644.05
  5. Step 5: Solve for x
    x = 26,165,644.05/7,788.04
  6. Step 6: Final answer
    x = 3,359.72

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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.