Home / 4,993.08-6,889.50-3,420.60

Finding the Fourth Proportional to 4,993.08, 6,889.50 and 3,420.60

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Solution

The fourth proportional to 4,993.08, 6,889.50 and 3,420.60 is: 4,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.08 : 6,889.50 = 3,420.60 : x
  2. Step 2: Convert to fraction form
    4,993.08/6,889.50 = 3,420.60/x
  3. Step 3: Cross multiply
    4,993.08x = 6,889.50 × 3,420.60
  4. Step 4: Simplify right side
    4,993.08x = 23,566,223.70
  5. Step 5: Solve for x
    x = 23,566,223.70/4,993.08
  6. Step 6: Final answer
    x = 4,719.78

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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.