Home / 5,438.14-7,501.87-3,392.35

Finding the Fourth Proportional to 5,438.14, 7,501.87 and 3,392.35

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Solution

The fourth proportional to 5,438.14, 7,501.87 and 3,392.35 is: 4,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.14 : 7,501.87 = 3,392.35 : x
  2. Step 2: Convert to fraction form
    5,438.14/7,501.87 = 3,392.35/x
  3. Step 3: Cross multiply
    5,438.14x = 7,501.87 × 3,392.35
  4. Step 4: Simplify right side
    5,438.14x = 25,448,996.38
  5. Step 5: Solve for x
    x = 25,448,996.38/5,438.14
  6. Step 6: Final answer
    x = 4,679.72

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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.