Home / 5,008.20-6,911.91-2,912.32

Finding the Fourth Proportional to 5,008.20, 6,911.91 and 2,912.32

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Solution

The fourth proportional to 5,008.20, 6,911.91 and 2,912.32 is: 4,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.20 : 6,911.91 = 2,912.32 : x
  2. Step 2: Convert to fraction form
    5,008.20/6,911.91 = 2,912.32/x
  3. Step 3: Cross multiply
    5,008.20x = 6,911.91 × 2,912.32
  4. Step 4: Simplify right side
    5,008.20x = 20,129,693.73
  5. Step 5: Solve for x
    x = 20,129,693.73/5,008.20
  6. Step 6: Final answer
    x = 4,019.35

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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.