Home / 5,346.72-7,381.44-3,669.12

Finding the Fourth Proportional to 5,346.72, 7,381.44 and 3,669.12

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Solution

The fourth proportional to 5,346.72, 7,381.44 and 3,669.12 is: 5,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.72 : 7,381.44 = 3,669.12 : x
  2. Step 2: Convert to fraction form
    5,346.72/7,381.44 = 3,669.12/x
  3. Step 3: Cross multiply
    5,346.72x = 7,381.44 × 3,669.12
  4. Step 4: Simplify right side
    5,346.72x = 27,083,389.13
  5. Step 5: Solve for x
    x = 27,083,389.13/5,346.72
  6. Step 6: Final answer
    x = 5,065.42

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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.