Home / 5,045.72-6,961.70-3,275.80

Finding the Fourth Proportional to 5,045.72, 6,961.70 and 3,275.80

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Solution

The fourth proportional to 5,045.72, 6,961.70 and 3,275.80 is: 4,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.72 : 6,961.70 = 3,275.80 : x
  2. Step 2: Convert to fraction form
    5,045.72/6,961.70 = 3,275.80/x
  3. Step 3: Cross multiply
    5,045.72x = 6,961.70 × 3,275.80
  4. Step 4: Simplify right side
    5,045.72x = 22,805,136.86
  5. Step 5: Solve for x
    x = 22,805,136.86/5,045.72
  6. Step 6: Final answer
    x = 4,519.70

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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.