Home / 5,678.20-8,515.74-3,595.08

Finding the Fourth Proportional to 5,678.20, 8,515.74 and 3,595.08

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Solution

The fourth proportional to 5,678.20, 8,515.74 and 3,595.08 is: 5,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.20 : 8,515.74 = 3,595.08 : x
  2. Step 2: Convert to fraction form
    5,678.20/8,515.74 = 3,595.08/x
  3. Step 3: Cross multiply
    5,678.20x = 8,515.74 × 3,595.08
  4. Step 4: Simplify right side
    5,678.20x = 30,614,766.56
  5. Step 5: Solve for x
    x = 30,614,766.56/5,678.20
  6. Step 6: Final answer
    x = 5,391.63

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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.