Home / 4,259.34-6,389.88-1,626.66

Finding the Fourth Proportional to 4,259.34, 6,389.88 and 1,626.66

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Solution

The fourth proportional to 4,259.34, 6,389.88 and 1,626.66 is: 2,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.34 : 6,389.88 = 1,626.66 : x
  2. Step 2: Convert to fraction form
    4,259.34/6,389.88 = 1,626.66/x
  3. Step 3: Cross multiply
    4,259.34x = 6,389.88 × 1,626.66
  4. Step 4: Simplify right side
    4,259.34x = 10,394,162.20
  5. Step 5: Solve for x
    x = 10,394,162.20/4,259.34
  6. Step 6: Final answer
    x = 2,440.32

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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.