Home / 4,146.76-6,218.90-1,224.36

Finding the Fourth Proportional to 4,146.76, 6,218.90 and 1,224.36

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Solution

The fourth proportional to 4,146.76, 6,218.90 and 1,224.36 is: 1,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.76 : 6,218.90 = 1,224.36 : x
  2. Step 2: Convert to fraction form
    4,146.76/6,218.90 = 1,224.36/x
  3. Step 3: Cross multiply
    4,146.76x = 6,218.90 × 1,224.36
  4. Step 4: Simplify right side
    4,146.76x = 7,614,172.40
  5. Step 5: Solve for x
    x = 7,614,172.40/4,146.76
  6. Step 6: Final answer
    x = 1,836.17

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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.