Home / 4,681.38-7,020.28-1,560.79

Finding the Fourth Proportional to 4,681.38, 7,020.28 and 1,560.79

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Solution

The fourth proportional to 4,681.38, 7,020.28 and 1,560.79 is: 2,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.38 : 7,020.28 = 1,560.79 : x
  2. Step 2: Convert to fraction form
    4,681.38/7,020.28 = 1,560.79/x
  3. Step 3: Cross multiply
    4,681.38x = 7,020.28 × 1,560.79
  4. Step 4: Simplify right side
    4,681.38x = 10,957,182.82
  5. Step 5: Solve for x
    x = 10,957,182.82/4,681.38
  6. Step 6: Final answer
    x = 2,340.59

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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.