Home / 7,695.06-11,543.79-2,698.78

Finding the Fourth Proportional to 7,695.06, 11,543.79 and 2,698.78

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Solution

The fourth proportional to 7,695.06, 11,543.79 and 2,698.78 is: 4,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.06 : 11,543.79 = 2,698.78 : x
  2. Step 2: Convert to fraction form
    7,695.06/11,543.79 = 2,698.78/x
  3. Step 3: Cross multiply
    7,695.06x = 11,543.79 × 2,698.78
  4. Step 4: Simplify right side
    7,695.06x = 31,154,149.58
  5. Step 5: Solve for x
    x = 31,154,149.58/7,695.06
  6. Step 6: Final answer
    x = 4,048.59

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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.