Home / 7,789.95-11,657.57-6,707.39

Finding the Fourth Proportional to 7,789.95, 11,657.57 and 6,707.39

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Solution

The fourth proportional to 7,789.95, 11,657.57 and 6,707.39 is: 10,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.95 : 11,657.57 = 6,707.39 : x
  2. Step 2: Convert to fraction form
    7,789.95/11,657.57 = 6,707.39/x
  3. Step 3: Cross multiply
    7,789.95x = 11,657.57 × 6,707.39
  4. Step 4: Simplify right side
    7,789.95x = 78,191,776.62
  5. Step 5: Solve for x
    x = 78,191,776.62/7,789.95
  6. Step 6: Final answer
    x = 10,037.52

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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.