Home / 8,116.13-11,200.12-4,530.90

Finding the Fourth Proportional to 8,116.13, 11,200.12 and 4,530.90

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Solution

The fourth proportional to 8,116.13, 11,200.12 and 4,530.90 is: 6,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.13 : 11,200.12 = 4,530.90 : x
  2. Step 2: Convert to fraction form
    8,116.13/11,200.12 = 4,530.90/x
  3. Step 3: Cross multiply
    8,116.13x = 11,200.12 × 4,530.90
  4. Step 4: Simplify right side
    8,116.13x = 50,746,623.71
  5. Step 5: Solve for x
    x = 50,746,623.71/8,116.13
  6. Step 6: Final answer
    x = 6,252.56

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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.