Home / 7,407.26-11,116.34-3,511.66

Finding the Fourth Proportional to 7,407.26, 11,116.34 and 3,511.66

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Solution

The fourth proportional to 7,407.26, 11,116.34 and 3,511.66 is: 5,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.26 : 11,116.34 = 3,511.66 : x
  2. Step 2: Convert to fraction form
    7,407.26/11,116.34 = 3,511.66/x
  3. Step 3: Cross multiply
    7,407.26x = 11,116.34 × 3,511.66
  4. Step 4: Simplify right side
    7,407.26x = 39,036,806.52
  5. Step 5: Solve for x
    x = 39,036,806.52/7,407.26
  6. Step 6: Final answer
    x = 5,270.07

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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.