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Finding the Fourth Proportional to 6,572.08, 9,858.08 and 2,679.20

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Solution

The fourth proportional to 6,572.08, 9,858.08 and 2,679.20 is: 4,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.08 : 9,858.08 = 2,679.20 : x
  2. Step 2: Convert to fraction form
    6,572.08/9,858.08 = 2,679.20/x
  3. Step 3: Cross multiply
    6,572.08x = 9,858.08 × 2,679.20
  4. Step 4: Simplify right side
    6,572.08x = 26,411,767.94
  5. Step 5: Solve for x
    x = 26,411,767.94/6,572.08
  6. Step 6: Final answer
    x = 4,018.78

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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.