Home / 6,776.28-10,158.57-2,619.20

Finding the Fourth Proportional to 6,776.28, 10,158.57 and 2,619.20

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Solution

The fourth proportional to 6,776.28, 10,158.57 and 2,619.20 is: 3,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.28 : 10,158.57 = 2,619.20 : x
  2. Step 2: Convert to fraction form
    6,776.28/10,158.57 = 2,619.20/x
  3. Step 3: Cross multiply
    6,776.28x = 10,158.57 × 2,619.20
  4. Step 4: Simplify right side
    6,776.28x = 26,607,326.54
  5. Step 5: Solve for x
    x = 26,607,326.54/6,776.28
  6. Step 6: Final answer
    x = 3,926.54

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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.