Home / 5,492-7,579.12-3,008.16

Finding the Fourth Proportional to 5,492, 7,579.12 and 3,008.16

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Solution

The fourth proportional to 5,492, 7,579.12 and 3,008.16 is: 4,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492 : 7,579.12 = 3,008.16 : x
  2. Step 2: Convert to fraction form
    5,492/7,579.12 = 3,008.16/x
  3. Step 3: Cross multiply
    5,492x = 7,579.12 × 3,008.16
  4. Step 4: Simplify right side
    5,492x = 22,799,205.62
  5. Step 5: Solve for x
    x = 22,799,205.62/5,492
  6. Step 6: Final answer
    x = 4,151.35

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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.