Home / 7,919.66-10,926.02-5,086.64

Finding the Fourth Proportional to 7,919.66, 10,926.02 and 5,086.64

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Solution

The fourth proportional to 7,919.66, 10,926.02 and 5,086.64 is: 7,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.66 : 10,926.02 = 5,086.64 : x
  2. Step 2: Convert to fraction form
    7,919.66/10,926.02 = 5,086.64/x
  3. Step 3: Cross multiply
    7,919.66x = 10,926.02 × 5,086.64
  4. Step 4: Simplify right side
    7,919.66x = 55,576,724.01
  5. Step 5: Solve for x
    x = 55,576,724.01/7,919.66
  6. Step 6: Final answer
    x = 7,017.56

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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.