Home / 4,189.19-6,283.88-1,267.49

Finding the Fourth Proportional to 4,189.19, 6,283.88 and 1,267.49

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Solution

The fourth proportional to 4,189.19, 6,283.88 and 1,267.49 is: 1,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.19 : 6,283.88 = 1,267.49 : x
  2. Step 2: Convert to fraction form
    4,189.19/6,283.88 = 1,267.49/x
  3. Step 3: Cross multiply
    4,189.19x = 6,283.88 × 1,267.49
  4. Step 4: Simplify right side
    4,189.19x = 7,964,748.72
  5. Step 5: Solve for x
    x = 7,964,748.72/4,189.19
  6. Step 6: Final answer
    x = 1,901.26

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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.