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Finding the Fourth Proportional to 5,491.59, 7,570.22 and 4,310.61

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Solution

The fourth proportional to 5,491.59, 7,570.22 and 4,310.61 is: 5,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.59 : 7,570.22 = 4,310.61 : x
  2. Step 2: Convert to fraction form
    5,491.59/7,570.22 = 4,310.61/x
  3. Step 3: Cross multiply
    5,491.59x = 7,570.22 × 4,310.61
  4. Step 4: Simplify right side
    5,491.59x = 32,632,266.03
  5. Step 5: Solve for x
    x = 32,632,266.03/5,491.59
  6. Step 6: Final answer
    x = 5,942.23

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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.