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Finding the Fourth Proportional to 8,842.83, 13,264.41 and 7,079.64

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Solution

The fourth proportional to 8,842.83, 13,264.41 and 7,079.64 is: 10,619.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.83 : 13,264.41 = 7,079.64 : x
  2. Step 2: Convert to fraction form
    8,842.83/13,264.41 = 7,079.64/x
  3. Step 3: Cross multiply
    8,842.83x = 13,264.41 × 7,079.64
  4. Step 4: Simplify right side
    8,842.83x = 93,907,247.61
  5. Step 5: Solve for x
    x = 93,907,247.61/8,842.83
  6. Step 6: Final answer
    x = 10,619.59

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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.