Home / 6,577.55-9,857.68-3,115.79

Finding the Fourth Proportional to 6,577.55, 9,857.68 and 3,115.79

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Solution

The fourth proportional to 6,577.55, 9,857.68 and 3,115.79 is: 4,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,577.55 : 9,857.68 = 3,115.79 : x
  2. Step 2: Convert to fraction form
    6,577.55/9,857.68 = 3,115.79/x
  3. Step 3: Cross multiply
    6,577.55x = 9,857.68 × 3,115.79
  4. Step 4: Simplify right side
    6,577.55x = 30,714,460.77
  5. Step 5: Solve for x
    x = 30,714,460.77/6,577.55
  6. Step 6: Final answer
    x = 4,669.59

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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.