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Finding the Fourth Proportional to 8,164.76, 12,247.88 and 2,899.26

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Solution

The fourth proportional to 8,164.76, 12,247.88 and 2,899.26 is: 4,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.76 : 12,247.88 = 2,899.26 : x
  2. Step 2: Convert to fraction form
    8,164.76/12,247.88 = 2,899.26/x
  3. Step 3: Cross multiply
    8,164.76x = 12,247.88 × 2,899.26
  4. Step 4: Simplify right side
    8,164.76x = 35,509,774.07
  5. Step 5: Solve for x
    x = 35,509,774.07/8,164.76
  6. Step 6: Final answer
    x = 4,349.15

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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.