Home / 8,979.40-13,467.26-5,646.12

Finding the Fourth Proportional to 8,979.40, 13,467.26 and 5,646.12

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Solution

The fourth proportional to 8,979.40, 13,467.26 and 5,646.12 is: 8,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.40 : 13,467.26 = 5,646.12 : x
  2. Step 2: Convert to fraction form
    8,979.40/13,467.26 = 5,646.12/x
  3. Step 3: Cross multiply
    8,979.40x = 13,467.26 × 5,646.12
  4. Step 4: Simplify right side
    8,979.40x = 76,037,766.03
  5. Step 5: Solve for x
    x = 76,037,766.03/8,979.40
  6. Step 6: Final answer
    x = 8,468.02

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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.