Home / 5,438.48-7,502.24-4,109.87

Finding the Fourth Proportional to 5,438.48, 7,502.24 and 4,109.87

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Solution

The fourth proportional to 5,438.48, 7,502.24 and 4,109.87 is: 5,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.48 : 7,502.24 = 4,109.87 : x
  2. Step 2: Convert to fraction form
    5,438.48/7,502.24 = 4,109.87/x
  3. Step 3: Cross multiply
    5,438.48x = 7,502.24 × 4,109.87
  4. Step 4: Simplify right side
    5,438.48x = 30,833,260.14
  5. Step 5: Solve for x
    x = 30,833,260.14/5,438.48
  6. Step 6: Final answer
    x = 5,669.47

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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.