Home / 5,142.42-7,713.66-1,246.82

Finding the Fourth Proportional to 5,142.42, 7,713.66 and 1,246.82

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Solution

The fourth proportional to 5,142.42, 7,713.66 and 1,246.82 is: 1,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.42 : 7,713.66 = 1,246.82 : x
  2. Step 2: Convert to fraction form
    5,142.42/7,713.66 = 1,246.82/x
  3. Step 3: Cross multiply
    5,142.42x = 7,713.66 × 1,246.82
  4. Step 4: Simplify right side
    5,142.42x = 9,617,545.56
  5. Step 5: Solve for x
    x = 9,617,545.56/5,142.42
  6. Step 6: Final answer
    x = 1,870.24

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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.