Home / 5,141.32-7,710.36-2,020.39

Finding the Fourth Proportional to 5,141.32, 7,710.36 and 2,020.39

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Solution

The fourth proportional to 5,141.32, 7,710.36 and 2,020.39 is: 3,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.32 : 7,710.36 = 2,020.39 : x
  2. Step 2: Convert to fraction form
    5,141.32/7,710.36 = 2,020.39/x
  3. Step 3: Cross multiply
    5,141.32x = 7,710.36 × 2,020.39
  4. Step 4: Simplify right side
    5,141.32x = 15,577,934.24
  5. Step 5: Solve for x
    x = 15,577,934.24/5,141.32
  6. Step 6: Final answer
    x = 3,029.95

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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.