Home / 6,840.72-10,251.60-3,133.68

Finding the Fourth Proportional to 6,840.72, 10,251.60 and 3,133.68

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Solution

The fourth proportional to 6,840.72, 10,251.60 and 3,133.68 is: 4,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.72 : 10,251.60 = 3,133.68 : x
  2. Step 2: Convert to fraction form
    6,840.72/10,251.60 = 3,133.68/x
  3. Step 3: Cross multiply
    6,840.72x = 10,251.60 × 3,133.68
  4. Step 4: Simplify right side
    6,840.72x = 32,125,233.89
  5. Step 5: Solve for x
    x = 32,125,233.89/6,840.72
  6. Step 6: Final answer
    x = 4,696.18

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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.