Home / 5,568.68-7,679.47-3,330.20

Finding the Fourth Proportional to 5,568.68, 7,679.47 and 3,330.20

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Solution

The fourth proportional to 5,568.68, 7,679.47 and 3,330.20 is: 4,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.68 : 7,679.47 = 3,330.20 : x
  2. Step 2: Convert to fraction form
    5,568.68/7,679.47 = 3,330.20/x
  3. Step 3: Cross multiply
    5,568.68x = 7,679.47 × 3,330.20
  4. Step 4: Simplify right side
    5,568.68x = 25,574,115.95
  5. Step 5: Solve for x
    x = 25,574,115.95/5,568.68
  6. Step 6: Final answer
    x = 4,592.50

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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.