Home / 8,133.05-12,193.41-6,488.69

Finding the Fourth Proportional to 8,133.05, 12,193.41 and 6,488.69

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Solution

The fourth proportional to 8,133.05, 12,193.41 and 6,488.69 is: 9,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.05 : 12,193.41 = 6,488.69 : x
  2. Step 2: Convert to fraction form
    8,133.05/12,193.41 = 6,488.69/x
  3. Step 3: Cross multiply
    8,133.05x = 12,193.41 × 6,488.69
  4. Step 4: Simplify right side
    8,133.05x = 79,119,196.57
  5. Step 5: Solve for x
    x = 79,119,196.57/8,133.05
  6. Step 6: Final answer
    x = 9,728.11

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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.