Home / 7,621.38-10,510.66-4,789.02

Finding the Fourth Proportional to 7,621.38, 10,510.66 and 4,789.02

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Solution

The fourth proportional to 7,621.38, 10,510.66 and 4,789.02 is: 6,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.38 : 10,510.66 = 4,789.02 : x
  2. Step 2: Convert to fraction form
    7,621.38/10,510.66 = 4,789.02/x
  3. Step 3: Cross multiply
    7,621.38x = 10,510.66 × 4,789.02
  4. Step 4: Simplify right side
    7,621.38x = 50,335,760.95
  5. Step 5: Solve for x
    x = 50,335,760.95/7,621.38
  6. Step 6: Final answer
    x = 6,604.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.