Home / 7,658.30-11,487.74-2,393.80

Finding the Fourth Proportional to 7,658.30, 11,487.74 and 2,393.80

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Solution

The fourth proportional to 7,658.30, 11,487.74 and 2,393.80 is: 3,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.30 : 11,487.74 = 2,393.80 : x
  2. Step 2: Convert to fraction form
    7,658.30/11,487.74 = 2,393.80/x
  3. Step 3: Cross multiply
    7,658.30x = 11,487.74 × 2,393.80
  4. Step 4: Simplify right side
    7,658.30x = 27,499,300.56
  5. Step 5: Solve for x
    x = 27,499,300.56/7,658.30
  6. Step 6: Final answer
    x = 3,590.78

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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.