Home / 4,328.56-6,487.31-2,107.92

Finding the Fourth Proportional to 4,328.56, 6,487.31 and 2,107.92

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Solution

The fourth proportional to 4,328.56, 6,487.31 and 2,107.92 is: 3,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.56 : 6,487.31 = 2,107.92 : x
  2. Step 2: Convert to fraction form
    4,328.56/6,487.31 = 2,107.92/x
  3. Step 3: Cross multiply
    4,328.56x = 6,487.31 × 2,107.92
  4. Step 4: Simplify right side
    4,328.56x = 13,674,730.50
  5. Step 5: Solve for x
    x = 13,674,730.50/4,328.56
  6. Step 6: Final answer
    x = 3,159.19

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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.