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Finding the Fourth Proportional to 8,296.04, 11,439.94 and 6,407.94

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Solution

The fourth proportional to 8,296.04, 11,439.94 and 6,407.94 is: 8,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.04 : 11,439.94 = 6,407.94 : x
  2. Step 2: Convert to fraction form
    8,296.04/11,439.94 = 6,407.94/x
  3. Step 3: Cross multiply
    8,296.04x = 11,439.94 × 6,407.94
  4. Step 4: Simplify right side
    8,296.04x = 73,306,449.12
  5. Step 5: Solve for x
    x = 73,306,449.12/8,296.04
  6. Step 6: Final answer
    x = 8,836.32

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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.