Home / 5,353.05-7,387.44-3,309.41

Finding the Fourth Proportional to 5,353.05, 7,387.44 and 3,309.41

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Solution

The fourth proportional to 5,353.05, 7,387.44 and 3,309.41 is: 4,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.05 : 7,387.44 = 3,309.41 : x
  2. Step 2: Convert to fraction form
    5,353.05/7,387.44 = 3,309.41/x
  3. Step 3: Cross multiply
    5,353.05x = 7,387.44 × 3,309.41
  4. Step 4: Simplify right side
    5,353.05x = 24,448,030.87
  5. Step 5: Solve for x
    x = 24,448,030.87/5,353.05
  6. Step 6: Final answer
    x = 4,567.12

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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.