Home / 5,354.20-7,388.58-3,116.14

Finding the Fourth Proportional to 5,354.20, 7,388.58 and 3,116.14

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Solution

The fourth proportional to 5,354.20, 7,388.58 and 3,116.14 is: 4,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.20 : 7,388.58 = 3,116.14 : x
  2. Step 2: Convert to fraction form
    5,354.20/7,388.58 = 3,116.14/x
  3. Step 3: Cross multiply
    5,354.20x = 7,388.58 × 3,116.14
  4. Step 4: Simplify right side
    5,354.20x = 23,023,849.68
  5. Step 5: Solve for x
    x = 23,023,849.68/5,354.20
  6. Step 6: Final answer
    x = 4,300.15

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1.5x scale

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.