Home / 4,518.28-6,778.50-1,556.92

Finding the Fourth Proportional to 4,518.28, 6,778.50 and 1,556.92

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Solution

The fourth proportional to 4,518.28, 6,778.50 and 1,556.92 is: 2,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.28 : 6,778.50 = 1,556.92 : x
  2. Step 2: Convert to fraction form
    4,518.28/6,778.50 = 1,556.92/x
  3. Step 3: Cross multiply
    4,518.28x = 6,778.50 × 1,556.92
  4. Step 4: Simplify right side
    4,518.28x = 10,553,582.22
  5. Step 5: Solve for x
    x = 10,553,582.22/4,518.28
  6. Step 6: Final answer
    x = 2,335.75

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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.