Home / 4,290.32-6,426.47-2,203.97

Finding the Fourth Proportional to 4,290.32, 6,426.47 and 2,203.97

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Solution

The fourth proportional to 4,290.32, 6,426.47 and 2,203.97 is: 3,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.32 : 6,426.47 = 2,203.97 : x
  2. Step 2: Convert to fraction form
    4,290.32/6,426.47 = 2,203.97/x
  3. Step 3: Cross multiply
    4,290.32x = 6,426.47 × 2,203.97
  4. Step 4: Simplify right side
    4,290.32x = 14,163,720.46
  5. Step 5: Solve for x
    x = 14,163,720.46/4,290.32
  6. Step 6: Final answer
    x = 3,301.32

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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.