Home / 8,853.80-13,274.54-3,920.77

Finding the Fourth Proportional to 8,853.80, 13,274.54 and 3,920.77

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Solution

The fourth proportional to 8,853.80, 13,274.54 and 3,920.77 is: 5,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.80 : 13,274.54 = 3,920.77 : x
  2. Step 2: Convert to fraction form
    8,853.80/13,274.54 = 3,920.77/x
  3. Step 3: Cross multiply
    8,853.80x = 13,274.54 × 3,920.77
  4. Step 4: Simplify right side
    8,853.80x = 52,046,332.22
  5. Step 5: Solve for x
    x = 52,046,332.22/8,853.80
  6. Step 6: Final answer
    x = 5,878.42

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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.