Home / 4,780.67-6,600.02-3,103.56

Finding the Fourth Proportional to 4,780.67, 6,600.02 and 3,103.56

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Solution

The fourth proportional to 4,780.67, 6,600.02 and 3,103.56 is: 4,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.67 : 6,600.02 = 3,103.56 : x
  2. Step 2: Convert to fraction form
    4,780.67/6,600.02 = 3,103.56/x
  3. Step 3: Cross multiply
    4,780.67x = 6,600.02 × 3,103.56
  4. Step 4: Simplify right side
    4,780.67x = 20,483,542.55
  5. Step 5: Solve for x
    x = 20,483,542.55/4,780.67
  6. Step 6: Final answer
    x = 4,284.66

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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.