Home / 7,404.18-11,111.77-3,508.60

Finding the Fourth Proportional to 7,404.18, 11,111.77 and 3,508.60

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Solution

The fourth proportional to 7,404.18, 11,111.77 and 3,508.60 is: 5,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.18 : 11,111.77 = 3,508.60 : x
  2. Step 2: Convert to fraction form
    7,404.18/11,111.77 = 3,508.60/x
  3. Step 3: Cross multiply
    7,404.18x = 11,111.77 × 3,508.60
  4. Step 4: Simplify right side
    7,404.18x = 38,986,756.22
  5. Step 5: Solve for x
    x = 38,986,756.22/7,404.18
  6. Step 6: Final answer
    x = 5,265.51

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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.