Home / 7,379.87-11,066.55-2,113.69

Finding the Fourth Proportional to 7,379.87, 11,066.55 and 2,113.69

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Solution

The fourth proportional to 7,379.87, 11,066.55 and 2,113.69 is: 3,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.87 : 11,066.55 = 2,113.69 : x
  2. Step 2: Convert to fraction form
    7,379.87/11,066.55 = 2,113.69/x
  3. Step 3: Cross multiply
    7,379.87x = 11,066.55 × 2,113.69
  4. Step 4: Simplify right side
    7,379.87x = 23,391,200.74
  5. Step 5: Solve for x
    x = 23,391,200.74/7,379.87
  6. Step 6: Final answer
    x = 3,169.60

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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.