Home / 7,540.89-10,406.73-4,556.13

Finding the Fourth Proportional to 7,540.89, 10,406.73 and 4,556.13

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Solution

The fourth proportional to 7,540.89, 10,406.73 and 4,556.13 is: 6,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.89 : 10,406.73 = 4,556.13 : x
  2. Step 2: Convert to fraction form
    7,540.89/10,406.73 = 4,556.13/x
  3. Step 3: Cross multiply
    7,540.89x = 10,406.73 × 4,556.13
  4. Step 4: Simplify right side
    7,540.89x = 47,414,414.75
  5. Step 5: Solve for x
    x = 47,414,414.75/7,540.89
  6. Step 6: Final answer
    x = 6,287.64

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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.