Home / 8,109.96-11,191.76-4,752.11

Finding the Fourth Proportional to 8,109.96, 11,191.76 and 4,752.11

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Solution

The fourth proportional to 8,109.96, 11,191.76 and 4,752.11 is: 6,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.96 : 11,191.76 = 4,752.11 : x
  2. Step 2: Convert to fraction form
    8,109.96/11,191.76 = 4,752.11/x
  3. Step 3: Cross multiply
    8,109.96x = 11,191.76 × 4,752.11
  4. Step 4: Simplify right side
    8,109.96x = 53,184,454.68
  5. Step 5: Solve for x
    x = 53,184,454.68/8,109.96
  6. Step 6: Final answer
    x = 6,557.92

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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.