Home / 5,578.28-7,697.85-3,339.02

Finding the Fourth Proportional to 5,578.28, 7,697.85 and 3,339.02

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Solution

The fourth proportional to 5,578.28, 7,697.85 and 3,339.02 is: 4,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.28 : 7,697.85 = 3,339.02 : x
  2. Step 2: Convert to fraction form
    5,578.28/7,697.85 = 3,339.02/x
  3. Step 3: Cross multiply
    5,578.28x = 7,697.85 × 3,339.02
  4. Step 4: Simplify right side
    5,578.28x = 25,703,236.62
  5. Step 5: Solve for x
    x = 25,703,236.62/5,578.28
  6. Step 6: Final answer
    x = 4,607.74

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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.