Home / 7,542.71-10,408.47-4,556.78

Finding the Fourth Proportional to 7,542.71, 10,408.47 and 4,556.78

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Solution

The fourth proportional to 7,542.71, 10,408.47 and 4,556.78 is: 6,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.71 : 10,408.47 = 4,556.78 : x
  2. Step 2: Convert to fraction form
    7,542.71/10,408.47 = 4,556.78/x
  3. Step 3: Cross multiply
    7,542.71x = 10,408.47 × 4,556.78
  4. Step 4: Simplify right side
    7,542.71x = 47,429,107.93
  5. Step 5: Solve for x
    x = 47,429,107.93/7,542.71
  6. Step 6: Final answer
    x = 6,288.07

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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.