Home / 8,444.20-11,640.19-5,606.56

Finding the Fourth Proportional to 8,444.20, 11,640.19 and 5,606.56

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Solution

The fourth proportional to 8,444.20, 11,640.19 and 5,606.56 is: 7,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.20 : 11,640.19 = 5,606.56 : x
  2. Step 2: Convert to fraction form
    8,444.20/11,640.19 = 5,606.56/x
  3. Step 3: Cross multiply
    8,444.20x = 11,640.19 × 5,606.56
  4. Step 4: Simplify right side
    8,444.20x = 65,261,423.65
  5. Step 5: Solve for x
    x = 65,261,423.65/8,444.20
  6. Step 6: Final answer
    x = 7,728.55

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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.