Home / 6,746.31-9,310.61-3,912.84

Finding the Fourth Proportional to 6,746.31, 9,310.61 and 3,912.84

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Solution

The fourth proportional to 6,746.31, 9,310.61 and 3,912.84 is: 5,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.31 : 9,310.61 = 3,912.84 : x
  2. Step 2: Convert to fraction form
    6,746.31/9,310.61 = 3,912.84/x
  3. Step 3: Cross multiply
    6,746.31x = 9,310.61 × 3,912.84
  4. Step 4: Simplify right side
    6,746.31x = 36,430,937.01
  5. Step 5: Solve for x
    x = 36,430,937.01/6,746.31
  6. Step 6: Final answer
    x = 5,400.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.