Home / 8,768.76-13,161.54-5,488.44

Finding the Fourth Proportional to 8,768.76, 13,161.54 and 5,488.44

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Solution

The fourth proportional to 8,768.76, 13,161.54 and 5,488.44 is: 8,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.76 : 13,161.54 = 5,488.44 : x
  2. Step 2: Convert to fraction form
    8,768.76/13,161.54 = 5,488.44/x
  3. Step 3: Cross multiply
    8,768.76x = 13,161.54 × 5,488.44
  4. Step 4: Simplify right side
    8,768.76x = 72,236,322.60
  5. Step 5: Solve for x
    x = 72,236,322.60/8,768.76
  6. Step 6: Final answer
    x = 8,237.92

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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.