Home / 4,188.49-6,283.78-1,266.80

Finding the Fourth Proportional to 4,188.49, 6,283.78 and 1,266.80

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Solution

The fourth proportional to 4,188.49, 6,283.78 and 1,266.80 is: 1,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.49 : 6,283.78 = 1,266.80 : x
  2. Step 2: Convert to fraction form
    4,188.49/6,283.78 = 1,266.80/x
  3. Step 3: Cross multiply
    4,188.49x = 6,283.78 × 1,266.80
  4. Step 4: Simplify right side
    4,188.49x = 7,960,275.59
  5. Step 5: Solve for x
    x = 7,960,275.59/4,188.49
  6. Step 6: Final answer
    x = 1,900.51

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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.