Home / 4,440.34-6,138.75-3,886.30

Finding the Fourth Proportional to 4,440.34, 6,138.75 and 3,886.30

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Solution

The fourth proportional to 4,440.34, 6,138.75 and 3,886.30 is: 5,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.34 : 6,138.75 = 3,886.30 : x
  2. Step 2: Convert to fraction form
    4,440.34/6,138.75 = 3,886.30/x
  3. Step 3: Cross multiply
    4,440.34x = 6,138.75 × 3,886.30
  4. Step 4: Simplify right side
    4,440.34x = 23,857,024.13
  5. Step 5: Solve for x
    x = 23,857,024.13/4,440.34
  6. Step 6: Final answer
    x = 5,372.79

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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.