Home / 6,127.56-9,185.58-3,207.78

Finding the Fourth Proportional to 6,127.56, 9,185.58 and 3,207.78

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Solution

The fourth proportional to 6,127.56, 9,185.58 and 3,207.78 is: 4,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.56 : 9,185.58 = 3,207.78 : x
  2. Step 2: Convert to fraction form
    6,127.56/9,185.58 = 3,207.78/x
  3. Step 3: Cross multiply
    6,127.56x = 9,185.58 × 3,207.78
  4. Step 4: Simplify right side
    6,127.56x = 29,465,319.81
  5. Step 5: Solve for x
    x = 29,465,319.81/6,127.56
  6. Step 6: Final answer
    x = 4,808.65

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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.