Home / 4,761.32-7,141.95-1,298.57

Finding the Fourth Proportional to 4,761.32, 7,141.95 and 1,298.57

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Solution

The fourth proportional to 4,761.32, 7,141.95 and 1,298.57 is: 1,947.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.32 : 7,141.95 = 1,298.57 : x
  2. Step 2: Convert to fraction form
    4,761.32/7,141.95 = 1,298.57/x
  3. Step 3: Cross multiply
    4,761.32x = 7,141.95 × 1,298.57
  4. Step 4: Simplify right side
    4,761.32x = 9,274,286.30
  5. Step 5: Solve for x
    x = 9,274,286.30/4,761.32
  6. Step 6: Final answer
    x = 1,947.84

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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.