Home / 8,020.84-12,029.64-2,320.08

Finding the Fourth Proportional to 8,020.84, 12,029.64 and 2,320.08

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Solution

The fourth proportional to 8,020.84, 12,029.64 and 2,320.08 is: 3,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.84 : 12,029.64 = 2,320.08 : x
  2. Step 2: Convert to fraction form
    8,020.84/12,029.64 = 2,320.08/x
  3. Step 3: Cross multiply
    8,020.84x = 12,029.64 × 2,320.08
  4. Step 4: Simplify right side
    8,020.84x = 27,909,727.17
  5. Step 5: Solve for x
    x = 27,909,727.17/8,020.84
  6. Step 6: Final answer
    x = 3,479.65

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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.