Home / 4,143.32-6,214.30-1,220.95

Finding the Fourth Proportional to 4,143.32, 6,214.30 and 1,220.95

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Solution

The fourth proportional to 4,143.32, 6,214.30 and 1,220.95 is: 1,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.32 : 6,214.30 = 1,220.95 : x
  2. Step 2: Convert to fraction form
    4,143.32/6,214.30 = 1,220.95/x
  3. Step 3: Cross multiply
    4,143.32x = 6,214.30 × 1,220.95
  4. Step 4: Simplify right side
    4,143.32x = 7,587,326.21
  5. Step 5: Solve for x
    x = 7,587,326.21/4,143.32
  6. Step 6: Final answer
    x = 1,831.22

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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.