Home / 7,746.12-11,619.22-1,902.74

Finding the Fourth Proportional to 7,746.12, 11,619.22 and 1,902.74

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Solution

The fourth proportional to 7,746.12, 11,619.22 and 1,902.74 is: 2,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.12 : 11,619.22 = 1,902.74 : x
  2. Step 2: Convert to fraction form
    7,746.12/11,619.22 = 1,902.74/x
  3. Step 3: Cross multiply
    7,746.12x = 11,619.22 × 1,902.74
  4. Step 4: Simplify right side
    7,746.12x = 22,108,354.66
  5. Step 5: Solve for x
    x = 22,108,354.66/7,746.12
  6. Step 6: Final answer
    x = 2,854.12

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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.