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Finding the Fourth Proportional to 8,244.71, 12,368.80 and 2,697.62

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Solution

The fourth proportional to 8,244.71, 12,368.80 and 2,697.62 is: 4,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.71 : 12,368.80 = 2,697.62 : x
  2. Step 2: Convert to fraction form
    8,244.71/12,368.80 = 2,697.62/x
  3. Step 3: Cross multiply
    8,244.71x = 12,368.80 × 2,697.62
  4. Step 4: Simplify right side
    8,244.71x = 33,366,318.18
  5. Step 5: Solve for x
    x = 33,366,318.18/8,244.71
  6. Step 6: Final answer
    x = 4,047.00

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1.5x scale

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.