Home / 7,940.41-11,909.52-5,561.29

Finding the Fourth Proportional to 7,940.41, 11,909.52 and 5,561.29

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Solution

The fourth proportional to 7,940.41, 11,909.52 and 5,561.29 is: 8,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.41 : 11,909.52 = 5,561.29 : x
  2. Step 2: Convert to fraction form
    7,940.41/11,909.52 = 5,561.29/x
  3. Step 3: Cross multiply
    7,940.41x = 11,909.52 × 5,561.29
  4. Step 4: Simplify right side
    7,940.41x = 66,232,207.13
  5. Step 5: Solve for x
    x = 66,232,207.13/7,940.41
  6. Step 6: Final answer
    x = 8,341.15

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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.