Home / 4,690.55-7,034.70-2,711.90

Finding the Fourth Proportional to 4,690.55, 7,034.70 and 2,711.90

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Solution

The fourth proportional to 4,690.55, 7,034.70 and 2,711.90 is: 4,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.55 : 7,034.70 = 2,711.90 : x
  2. Step 2: Convert to fraction form
    4,690.55/7,034.70 = 2,711.90/x
  3. Step 3: Cross multiply
    4,690.55x = 7,034.70 × 2,711.90
  4. Step 4: Simplify right side
    4,690.55x = 19,077,402.93
  5. Step 5: Solve for x
    x = 19,077,402.93/4,690.55
  6. Step 6: Final answer
    x = 4,067.20

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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.