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Finding the Fourth Proportional to 6,659.47, 9,184.13 and 4,299.13

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Solution

The fourth proportional to 6,659.47, 9,184.13 and 4,299.13 is: 5,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.47 : 9,184.13 = 4,299.13 : x
  2. Step 2: Convert to fraction form
    6,659.47/9,184.13 = 4,299.13/x
  3. Step 3: Cross multiply
    6,659.47x = 9,184.13 × 4,299.13
  4. Step 4: Simplify right side
    6,659.47x = 39,483,722.89
  5. Step 5: Solve for x
    x = 39,483,722.89/6,659.47
  6. Step 6: Final answer
    x = 5,928.96

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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.