Home / 5,452.47-8,178.66-1,556.91

Finding the Fourth Proportional to 5,452.47, 8,178.66 and 1,556.91

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Solution

The fourth proportional to 5,452.47, 8,178.66 and 1,556.91 is: 2,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.47 : 8,178.66 = 1,556.91 : x
  2. Step 2: Convert to fraction form
    5,452.47/8,178.66 = 1,556.91/x
  3. Step 3: Cross multiply
    5,452.47x = 8,178.66 × 1,556.91
  4. Step 4: Simplify right side
    5,452.47x = 12,733,437.54
  5. Step 5: Solve for x
    x = 12,733,437.54/5,452.47
  6. Step 6: Final answer
    x = 2,335.35

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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.