Home / 6,109.28-8,430.84-3,752.96

Finding the Fourth Proportional to 6,109.28, 8,430.84 and 3,752.96

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Solution

The fourth proportional to 6,109.28, 8,430.84 and 3,752.96 is: 5,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.28 : 8,430.84 = 3,752.96 : x
  2. Step 2: Convert to fraction form
    6,109.28/8,430.84 = 3,752.96/x
  3. Step 3: Cross multiply
    6,109.28x = 8,430.84 × 3,752.96
  4. Step 4: Simplify right side
    6,109.28x = 31,640,605.29
  5. Step 5: Solve for x
    x = 31,640,605.29/6,109.28
  6. Step 6: Final answer
    x = 5,179.11

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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.