Home / 4,247.22-6,370.12-1,127.42

Finding the Fourth Proportional to 4,247.22, 6,370.12 and 1,127.42

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Solution

The fourth proportional to 4,247.22, 6,370.12 and 1,127.42 is: 1,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.22 : 6,370.12 = 1,127.42 : x
  2. Step 2: Convert to fraction form
    4,247.22/6,370.12 = 1,127.42/x
  3. Step 3: Cross multiply
    4,247.22x = 6,370.12 × 1,127.42
  4. Step 4: Simplify right side
    4,247.22x = 7,181,800.69
  5. Step 5: Solve for x
    x = 7,181,800.69/4,247.22
  6. Step 6: Final answer
    x = 1,690.94

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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.