Home / 10,590.88-15,887.27-2,799.70

Finding the Fourth Proportional to 10,590.88, 15,887.27 and 2,799.70

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Solution

The fourth proportional to 10,590.88, 15,887.27 and 2,799.70 is: 4,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.88 : 15,887.27 = 2,799.70 : x
  2. Step 2: Convert to fraction form
    10,590.88/15,887.27 = 2,799.70/x
  3. Step 3: Cross multiply
    10,590.88x = 15,887.27 × 2,799.70
  4. Step 4: Simplify right side
    10,590.88x = 44,479,589.82
  5. Step 5: Solve for x
    x = 44,479,589.82/10,590.88
  6. Step 6: Final answer
    x = 4,199.80

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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.