Home / 4,869.45-7,304.90-1,947.69

Finding the Fourth Proportional to 4,869.45, 7,304.90 and 1,947.69

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Solution

The fourth proportional to 4,869.45, 7,304.90 and 1,947.69 is: 2,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.45 : 7,304.90 = 1,947.69 : x
  2. Step 2: Convert to fraction form
    4,869.45/7,304.90 = 1,947.69/x
  3. Step 3: Cross multiply
    4,869.45x = 7,304.90 × 1,947.69
  4. Step 4: Simplify right side
    4,869.45x = 14,227,670.94
  5. Step 5: Solve for x
    x = 14,227,670.94/4,869.45
  6. Step 6: Final answer
    x = 2,921.82

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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.