Home / 4,815.05-6,647.87-3,025.05

Finding the Fourth Proportional to 4,815.05, 6,647.87 and 3,025.05

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Solution

The fourth proportional to 4,815.05, 6,647.87 and 3,025.05 is: 4,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.05 : 6,647.87 = 3,025.05 : x
  2. Step 2: Convert to fraction form
    4,815.05/6,647.87 = 3,025.05/x
  3. Step 3: Cross multiply
    4,815.05x = 6,647.87 × 3,025.05
  4. Step 4: Simplify right side
    4,815.05x = 20,110,121.78
  5. Step 5: Solve for x
    x = 20,110,121.78/4,815.05
  6. Step 6: Final answer
    x = 4,176.52

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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.