Home / 5,389.44-7,424.64-4,439.04

Finding the Fourth Proportional to 5,389.44, 7,424.64 and 4,439.04

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Solution

The fourth proportional to 5,389.44, 7,424.64 and 4,439.04 is: 6,115.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.44 : 7,424.64 = 4,439.04 : x
  2. Step 2: Convert to fraction form
    5,389.44/7,424.64 = 4,439.04/x
  3. Step 3: Cross multiply
    5,389.44x = 7,424.64 × 4,439.04
  4. Step 4: Simplify right side
    5,389.44x = 32,958,273.95
  5. Step 5: Solve for x
    x = 32,958,273.95/5,389.44
  6. Step 6: Final answer
    x = 6,115.34

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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.