Home / 5,177.16-7,142.09-3,499.65

Finding the Fourth Proportional to 5,177.16, 7,142.09 and 3,499.65

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Solution

The fourth proportional to 5,177.16, 7,142.09 and 3,499.65 is: 4,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.16 : 7,142.09 = 3,499.65 : x
  2. Step 2: Convert to fraction form
    5,177.16/7,142.09 = 3,499.65/x
  3. Step 3: Cross multiply
    5,177.16x = 7,142.09 × 3,499.65
  4. Step 4: Simplify right side
    5,177.16x = 24,994,797.77
  5. Step 5: Solve for x
    x = 24,994,797.77/5,177.16
  6. Step 6: Final answer
    x = 4,827.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.