Home / 7,746.14-11,619.11-1,902.80

Finding the Fourth Proportional to 7,746.14, 11,619.11 and 1,902.80

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Solution

The fourth proportional to 7,746.14, 11,619.11 and 1,902.80 is: 2,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.14 : 11,619.11 = 1,902.80 : x
  2. Step 2: Convert to fraction form
    7,746.14/11,619.11 = 1,902.80/x
  3. Step 3: Cross multiply
    7,746.14x = 11,619.11 × 1,902.80
  4. Step 4: Simplify right side
    7,746.14x = 22,108,876.31
  5. Step 5: Solve for x
    x = 22,108,876.31/7,746.14
  6. Step 6: Final answer
    x = 2,854.18

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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.