Home / 8,645.80-12,967.27-3,098.32

Finding the Fourth Proportional to 8,645.80, 12,967.27 and 3,098.32

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Solution

The fourth proportional to 8,645.80, 12,967.27 and 3,098.32 is: 4,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.80 : 12,967.27 = 3,098.32 : x
  2. Step 2: Convert to fraction form
    8,645.80/12,967.27 = 3,098.32/x
  3. Step 3: Cross multiply
    8,645.80x = 12,967.27 × 3,098.32
  4. Step 4: Simplify right side
    8,645.80x = 40,176,751.99
  5. Step 5: Solve for x
    x = 40,176,751.99/8,645.80
  6. Step 6: Final answer
    x = 4,646.97

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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.