Home / 5,253.42-7,879.65-3,060.78

Finding the Fourth Proportional to 5,253.42, 7,879.65 and 3,060.78

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Solution

The fourth proportional to 5,253.42, 7,879.65 and 3,060.78 is: 4,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.42 : 7,879.65 = 3,060.78 : x
  2. Step 2: Convert to fraction form
    5,253.42/7,879.65 = 3,060.78/x
  3. Step 3: Cross multiply
    5,253.42x = 7,879.65 × 3,060.78
  4. Step 4: Simplify right side
    5,253.42x = 24,117,875.13
  5. Step 5: Solve for x
    x = 24,117,875.13/5,253.42
  6. Step 6: Final answer
    x = 4,590.89

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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.