Home / 5,320.24-7,984.48-3,679.18

Finding the Fourth Proportional to 5,320.24, 7,984.48 and 3,679.18

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Solution

The fourth proportional to 5,320.24, 7,984.48 and 3,679.18 is: 5,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.24 : 7,984.48 = 3,679.18 : x
  2. Step 2: Convert to fraction form
    5,320.24/7,984.48 = 3,679.18/x
  3. Step 3: Cross multiply
    5,320.24x = 7,984.48 × 3,679.18
  4. Step 4: Simplify right side
    5,320.24x = 29,376,339.13
  5. Step 5: Solve for x
    x = 29,376,339.13/5,320.24
  6. Step 6: Final answer
    x = 5,521.62

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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.