Home / 8,379.38-12,570.04-3,697.40

Finding the Fourth Proportional to 8,379.38, 12,570.04 and 3,697.40

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Solution

The fourth proportional to 8,379.38, 12,570.04 and 3,697.40 is: 5,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.38 : 12,570.04 = 3,697.40 : x
  2. Step 2: Convert to fraction form
    8,379.38/12,570.04 = 3,697.40/x
  3. Step 3: Cross multiply
    8,379.38x = 12,570.04 × 3,697.40
  4. Step 4: Simplify right side
    8,379.38x = 46,476,465.90
  5. Step 5: Solve for x
    x = 46,476,465.90/8,379.38
  6. Step 6: Final answer
    x = 5,546.53

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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.