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Finding the Fourth Proportional to 6,364.42, 9,541.23 and 3,079.87

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Solution

The fourth proportional to 6,364.42, 9,541.23 and 3,079.87 is: 4,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.42 : 9,541.23 = 3,079.87 : x
  2. Step 2: Convert to fraction form
    6,364.42/9,541.23 = 3,079.87/x
  3. Step 3: Cross multiply
    6,364.42x = 9,541.23 × 3,079.87
  4. Step 4: Simplify right side
    6,364.42x = 29,385,748.04
  5. Step 5: Solve for x
    x = 29,385,748.04/6,364.42
  6. Step 6: Final answer
    x = 4,617.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.