Home / 7,476.72-11,214.12-2,281.20

Finding the Fourth Proportional to 7,476.72, 11,214.12 and 2,281.20

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Solution

The fourth proportional to 7,476.72, 11,214.12 and 2,281.20 is: 3,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.72 : 11,214.12 = 2,281.20 : x
  2. Step 2: Convert to fraction form
    7,476.72/11,214.12 = 2,281.20/x
  3. Step 3: Cross multiply
    7,476.72x = 11,214.12 × 2,281.20
  4. Step 4: Simplify right side
    7,476.72x = 25,581,650.54
  5. Step 5: Solve for x
    x = 25,581,650.54/7,476.72
  6. Step 6: Final answer
    x = 3,421.51

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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.