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Finding the Fourth Proportional to 8,094.16, 12,139.17 and 2,900.08

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Solution

The fourth proportional to 8,094.16, 12,139.17 and 2,900.08 is: 4,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.16 : 12,139.17 = 2,900.08 : x
  2. Step 2: Convert to fraction form
    8,094.16/12,139.17 = 2,900.08/x
  3. Step 3: Cross multiply
    8,094.16x = 12,139.17 × 2,900.08
  4. Step 4: Simplify right side
    8,094.16x = 35,204,564.13
  5. Step 5: Solve for x
    x = 35,204,564.13/8,094.16
  6. Step 6: Final answer
    x = 4,349.38

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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.