Home / 5,438.34-8,151.12-2,317.42

Finding the Fourth Proportional to 5,438.34, 8,151.12 and 2,317.42

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Solution

The fourth proportional to 5,438.34, 8,151.12 and 2,317.42 is: 3,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.34 : 8,151.12 = 2,317.42 : x
  2. Step 2: Convert to fraction form
    5,438.34/8,151.12 = 2,317.42/x
  3. Step 3: Cross multiply
    5,438.34x = 8,151.12 × 2,317.42
  4. Step 4: Simplify right side
    5,438.34x = 18,889,568.51
  5. Step 5: Solve for x
    x = 18,889,568.51/5,438.34
  6. Step 6: Final answer
    x = 3,473.41

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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.