Home / 8,488.49-11,704.65-5,500.40

Finding the Fourth Proportional to 8,488.49, 11,704.65 and 5,500.40

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Solution

The fourth proportional to 8,488.49, 11,704.65 and 5,500.40 is: 7,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.49 : 11,704.65 = 5,500.40 : x
  2. Step 2: Convert to fraction form
    8,488.49/11,704.65 = 5,500.40/x
  3. Step 3: Cross multiply
    8,488.49x = 11,704.65 × 5,500.40
  4. Step 4: Simplify right side
    8,488.49x = 64,380,256.86
  5. Step 5: Solve for x
    x = 64,380,256.86/8,488.49
  6. Step 6: Final answer
    x = 7,584.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.