Home / 5,767.95-7,959.77-3,115.36

Finding the Fourth Proportional to 5,767.95, 7,959.77 and 3,115.36

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Solution

The fourth proportional to 5,767.95, 7,959.77 and 3,115.36 is: 4,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.95 : 7,959.77 = 3,115.36 : x
  2. Step 2: Convert to fraction form
    5,767.95/7,959.77 = 3,115.36/x
  3. Step 3: Cross multiply
    5,767.95x = 7,959.77 × 3,115.36
  4. Step 4: Simplify right side
    5,767.95x = 24,797,549.07
  5. Step 5: Solve for x
    x = 24,797,549.07/5,767.95
  6. Step 6: Final answer
    x = 4,299.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.