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Finding the Fourth Proportional to 8,720.46, 12,034.07 and 4,741.54

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Solution

The fourth proportional to 8,720.46, 12,034.07 and 4,741.54 is: 6,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.46 : 12,034.07 = 4,741.54 : x
  2. Step 2: Convert to fraction form
    8,720.46/12,034.07 = 4,741.54/x
  3. Step 3: Cross multiply
    8,720.46x = 12,034.07 × 4,741.54
  4. Step 4: Simplify right side
    8,720.46x = 57,059,988.26
  5. Step 5: Solve for x
    x = 57,059,988.26/8,720.46
  6. Step 6: Final answer
    x = 6,543.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.