Home / 6,933.20-9,556.56-5,418.11

Finding the Fourth Proportional to 6,933.20, 9,556.56 and 5,418.11

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Solution

The fourth proportional to 6,933.20, 9,556.56 and 5,418.11 is: 7,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,933.20 : 9,556.56 = 5,418.11 : x
  2. Step 2: Convert to fraction form
    6,933.20/9,556.56 = 5,418.11/x
  3. Step 3: Cross multiply
    6,933.20x = 9,556.56 × 5,418.11
  4. Step 4: Simplify right side
    6,933.20x = 51,778,445.52
  5. Step 5: Solve for x
    x = 51,778,445.52/6,933.20
  6. Step 6: Final answer
    x = 7,468.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.