Home / 6,629.28-9,947.52-4,984.80

Finding the Fourth Proportional to 6,629.28, 9,947.52 and 4,984.80

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Solution

The fourth proportional to 6,629.28, 9,947.52 and 4,984.80 is: 7,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.28 : 9,947.52 = 4,984.80 : x
  2. Step 2: Convert to fraction form
    6,629.28/9,947.52 = 4,984.80/x
  3. Step 3: Cross multiply
    6,629.28x = 9,947.52 × 4,984.80
  4. Step 4: Simplify right side
    6,629.28x = 49,586,397.70
  5. Step 5: Solve for x
    x = 49,586,397.70/6,629.28
  6. Step 6: Final answer
    x = 7,479.91

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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.