Home / 4,227.80-6,340.01-1,305.32

Finding the Fourth Proportional to 4,227.80, 6,340.01 and 1,305.32

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Solution

The fourth proportional to 4,227.80, 6,340.01 and 1,305.32 is: 1,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.80 : 6,340.01 = 1,305.32 : x
  2. Step 2: Convert to fraction form
    4,227.80/6,340.01 = 1,305.32/x
  3. Step 3: Cross multiply
    4,227.80x = 6,340.01 × 1,305.32
  4. Step 4: Simplify right side
    4,227.80x = 8,275,703.63
  5. Step 5: Solve for x
    x = 8,275,703.63/4,227.80
  6. Step 6: Final answer
    x = 1,957.45

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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.