Home / 5,969.61-8,247.15-3,979.44

Finding the Fourth Proportional to 5,969.61, 8,247.15 and 3,979.44

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Solution

The fourth proportional to 5,969.61, 8,247.15 and 3,979.44 is: 5,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,969.61 : 8,247.15 = 3,979.44 : x
  2. Step 2: Convert to fraction form
    5,969.61/8,247.15 = 3,979.44/x
  3. Step 3: Cross multiply
    5,969.61x = 8,247.15 × 3,979.44
  4. Step 4: Simplify right side
    5,969.61x = 32,819,038.60
  5. Step 5: Solve for x
    x = 32,819,038.60/5,969.61
  6. Step 6: Final answer
    x = 5,497.69

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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.