Home / 4,227.76-6,339.36-1,305.28

Finding the Fourth Proportional to 4,227.76, 6,339.36 and 1,305.28

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Solution

The fourth proportional to 4,227.76, 6,339.36 and 1,305.28 is: 1,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.76 : 6,339.36 = 1,305.28 : x
  2. Step 2: Convert to fraction form
    4,227.76/6,339.36 = 1,305.28/x
  3. Step 3: Cross multiply
    4,227.76x = 6,339.36 × 1,305.28
  4. Step 4: Simplify right side
    4,227.76x = 8,274,639.82
  5. Step 5: Solve for x
    x = 8,274,639.82/4,227.76
  6. Step 6: Final answer
    x = 1,957.22

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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.