Home / 7,041.13-10,561.59-3,919.59

Finding the Fourth Proportional to 7,041.13, 10,561.59 and 3,919.59

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Solution

The fourth proportional to 7,041.13, 10,561.59 and 3,919.59 is: 5,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.13 : 10,561.59 = 3,919.59 : x
  2. Step 2: Convert to fraction form
    7,041.13/10,561.59 = 3,919.59/x
  3. Step 3: Cross multiply
    7,041.13x = 10,561.59 × 3,919.59
  4. Step 4: Simplify right side
    7,041.13x = 41,397,102.55
  5. Step 5: Solve for x
    x = 41,397,102.55/7,041.13
  6. Step 6: Final answer
    x = 5,879.33

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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.