Home / 8,448.24-12,674.80-2,605.72

Finding the Fourth Proportional to 8,448.24, 12,674.80 and 2,605.72

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Solution

The fourth proportional to 8,448.24, 12,674.80 and 2,605.72 is: 3,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.24 : 12,674.80 = 2,605.72 : x
  2. Step 2: Convert to fraction form
    8,448.24/12,674.80 = 2,605.72/x
  3. Step 3: Cross multiply
    8,448.24x = 12,674.80 × 2,605.72
  4. Step 4: Simplify right side
    8,448.24x = 33,026,979.86
  5. Step 5: Solve for x
    x = 33,026,979.86/8,448.24
  6. Step 6: Final answer
    x = 3,909.33

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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.