Home / 4,642.38-6,958.70-1,521.59

Finding the Fourth Proportional to 4,642.38, 6,958.70 and 1,521.59

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Solution

The fourth proportional to 4,642.38, 6,958.70 and 1,521.59 is: 2,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.38 : 6,958.70 = 1,521.59 : x
  2. Step 2: Convert to fraction form
    4,642.38/6,958.70 = 1,521.59/x
  3. Step 3: Cross multiply
    4,642.38x = 6,958.70 × 1,521.59
  4. Step 4: Simplify right side
    4,642.38x = 10,588,245.93
  5. Step 5: Solve for x
    x = 10,588,245.93/4,642.38
  6. Step 6: Final answer
    x = 2,280.78

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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.