Home / 7,767.18-11,650.82-5,295.87

Finding the Fourth Proportional to 7,767.18, 11,650.82 and 5,295.87

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Solution

The fourth proportional to 7,767.18, 11,650.82 and 5,295.87 is: 7,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.18 : 11,650.82 = 5,295.87 : x
  2. Step 2: Convert to fraction form
    7,767.18/11,650.82 = 5,295.87/x
  3. Step 3: Cross multiply
    7,767.18x = 11,650.82 × 5,295.87
  4. Step 4: Simplify right side
    7,767.18x = 61,701,201.63
  5. Step 5: Solve for x
    x = 61,701,201.63/7,767.18
  6. Step 6: Final answer
    x = 7,943.84

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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.