Home / 5,678.69-8,517.33-1,519.02

Finding the Fourth Proportional to 5,678.69, 8,517.33 and 1,519.02

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Solution

The fourth proportional to 5,678.69, 8,517.33 and 1,519.02 is: 2,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.69 : 8,517.33 = 1,519.02 : x
  2. Step 2: Convert to fraction form
    5,678.69/8,517.33 = 1,519.02/x
  3. Step 3: Cross multiply
    5,678.69x = 8,517.33 × 1,519.02
  4. Step 4: Simplify right side
    5,678.69x = 12,937,994.62
  5. Step 5: Solve for x
    x = 12,937,994.62/5,678.69
  6. Step 6: Final answer
    x = 2,278.34

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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.