Home / 7,329.48-11,000.12-3,820.56

Finding the Fourth Proportional to 7,329.48, 11,000.12 and 3,820.56

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Solution

The fourth proportional to 7,329.48, 11,000.12 and 3,820.56 is: 5,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.48 : 11,000.12 = 3,820.56 : x
  2. Step 2: Convert to fraction form
    7,329.48/11,000.12 = 3,820.56/x
  3. Step 3: Cross multiply
    7,329.48x = 11,000.12 × 3,820.56
  4. Step 4: Simplify right side
    7,329.48x = 42,026,618.47
  5. Step 5: Solve for x
    x = 42,026,618.47/7,329.48
  6. Step 6: Final answer
    x = 5,733.92

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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.