Home / 6,851.35-10,278.09-2,902.61

Finding the Fourth Proportional to 6,851.35, 10,278.09 and 2,902.61

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Solution

The fourth proportional to 6,851.35, 10,278.09 and 2,902.61 is: 4,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.35 : 10,278.09 = 2,902.61 : x
  2. Step 2: Convert to fraction form
    6,851.35/10,278.09 = 2,902.61/x
  3. Step 3: Cross multiply
    6,851.35x = 10,278.09 × 2,902.61
  4. Step 4: Simplify right side
    6,851.35x = 29,833,286.81
  5. Step 5: Solve for x
    x = 29,833,286.81/6,851.35
  6. Step 6: Final answer
    x = 4,354.37

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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.