Home / 7,841.28-11,759.31-3,160.08

Finding the Fourth Proportional to 7,841.28, 11,759.31 and 3,160.08

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Solution

The fourth proportional to 7,841.28, 11,759.31 and 3,160.08 is: 4,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.28 : 11,759.31 = 3,160.08 : x
  2. Step 2: Convert to fraction form
    7,841.28/11,759.31 = 3,160.08/x
  3. Step 3: Cross multiply
    7,841.28x = 11,759.31 × 3,160.08
  4. Step 4: Simplify right side
    7,841.28x = 37,160,360.34
  5. Step 5: Solve for x
    x = 37,160,360.34/7,841.28
  6. Step 6: Final answer
    x = 4,739.07

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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.