Home / 4,418.76-6,621.92-3,490.24

Finding the Fourth Proportional to 4,418.76, 6,621.92 and 3,490.24

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Solution

The fourth proportional to 4,418.76, 6,621.92 and 3,490.24 is: 5,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.76 : 6,621.92 = 3,490.24 : x
  2. Step 2: Convert to fraction form
    4,418.76/6,621.92 = 3,490.24/x
  3. Step 3: Cross multiply
    4,418.76x = 6,621.92 × 3,490.24
  4. Step 4: Simplify right side
    4,418.76x = 23,112,090.06
  5. Step 5: Solve for x
    x = 23,112,090.06/4,418.76
  6. Step 6: Final answer
    x = 5,230.45

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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.