Home / 4,143.02-6,206.14-1,918.72

Finding the Fourth Proportional to 4,143.02, 6,206.14 and 1,918.72

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Solution

The fourth proportional to 4,143.02, 6,206.14 and 1,918.72 is: 2,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.02 : 6,206.14 = 1,918.72 : x
  2. Step 2: Convert to fraction form
    4,143.02/6,206.14 = 1,918.72/x
  3. Step 3: Cross multiply
    4,143.02x = 6,206.14 × 1,918.72
  4. Step 4: Simplify right side
    4,143.02x = 11,907,831.82
  5. Step 5: Solve for x
    x = 11,907,831.82/4,143.02
  6. Step 6: Final answer
    x = 2,874.19

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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.