Home / 7,475.55-11,213.30-2,281.43

Finding the Fourth Proportional to 7,475.55, 11,213.30 and 2,281.43

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Solution

The fourth proportional to 7,475.55, 11,213.30 and 2,281.43 is: 3,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.55 : 11,213.30 = 2,281.43 : x
  2. Step 2: Convert to fraction form
    7,475.55/11,213.30 = 2,281.43/x
  3. Step 3: Cross multiply
    7,475.55x = 11,213.30 × 2,281.43
  4. Step 4: Simplify right side
    7,475.55x = 25,582,291.55
  5. Step 5: Solve for x
    x = 25,582,291.55/7,475.55
  6. Step 6: Final answer
    x = 3,422.13

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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.