Home / 5,568.12-8,353.78-2,642.40

Finding the Fourth Proportional to 5,568.12, 8,353.78 and 2,642.40

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Solution

The fourth proportional to 5,568.12, 8,353.78 and 2,642.40 is: 3,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.12 : 8,353.78 = 2,642.40 : x
  2. Step 2: Convert to fraction form
    5,568.12/8,353.78 = 2,642.40/x
  3. Step 3: Cross multiply
    5,568.12x = 8,353.78 × 2,642.40
  4. Step 4: Simplify right side
    5,568.12x = 22,074,028.27
  5. Step 5: Solve for x
    x = 22,074,028.27/5,568.12
  6. Step 6: Final answer
    x = 3,964.36

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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.