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Finding the Fourth Proportional to 8,303.07, 12,454.56 and 6,839.13

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Solution

The fourth proportional to 8,303.07, 12,454.56 and 6,839.13 is: 10,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.07 : 12,454.56 = 6,839.13 : x
  2. Step 2: Convert to fraction form
    8,303.07/12,454.56 = 6,839.13/x
  3. Step 3: Cross multiply
    8,303.07x = 12,454.56 × 6,839.13
  4. Step 4: Simplify right side
    8,303.07x = 85,178,354.93
  5. Step 5: Solve for x
    x = 85,178,354.93/8,303.07
  6. Step 6: Final answer
    x = 10,258.66

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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.