Home / 6,138.18-9,207.58-1,756.30

Finding the Fourth Proportional to 6,138.18, 9,207.58 and 1,756.30

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Solution

The fourth proportional to 6,138.18, 9,207.58 and 1,756.30 is: 2,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.18 : 9,207.58 = 1,756.30 : x
  2. Step 2: Convert to fraction form
    6,138.18/9,207.58 = 1,756.30/x
  3. Step 3: Cross multiply
    6,138.18x = 9,207.58 × 1,756.30
  4. Step 4: Simplify right side
    6,138.18x = 16,171,272.75
  5. Step 5: Solve for x
    x = 16,171,272.75/6,138.18
  6. Step 6: Final answer
    x = 2,634.54

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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.