Home / 4,189.84-6,282.36-1,267.28

Finding the Fourth Proportional to 4,189.84, 6,282.36 and 1,267.28

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Solution

The fourth proportional to 4,189.84, 6,282.36 and 1,267.28 is: 1,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.84 : 6,282.36 = 1,267.28 : x
  2. Step 2: Convert to fraction form
    4,189.84/6,282.36 = 1,267.28/x
  3. Step 3: Cross multiply
    4,189.84x = 6,282.36 × 1,267.28
  4. Step 4: Simplify right side
    4,189.84x = 7,961,509.18
  5. Step 5: Solve for x
    x = 7,961,509.18/4,189.84
  6. Step 6: Final answer
    x = 1,900.19

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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.