Home / 4,820.15-6,651.85-2,830.74

Finding the Fourth Proportional to 4,820.15, 6,651.85 and 2,830.74

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Solution

The fourth proportional to 4,820.15, 6,651.85 and 2,830.74 is: 3,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.15 : 6,651.85 = 2,830.74 : x
  2. Step 2: Convert to fraction form
    4,820.15/6,651.85 = 2,830.74/x
  3. Step 3: Cross multiply
    4,820.15x = 6,651.85 × 2,830.74
  4. Step 4: Simplify right side
    4,820.15x = 18,829,610.46
  5. Step 5: Solve for x
    x = 18,829,610.46/4,820.15
  6. Step 6: Final answer
    x = 3,906.44

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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.