Home / 4,321.79-6,482.90-2,102.66

Finding the Fourth Proportional to 4,321.79, 6,482.90 and 2,102.66

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Solution

The fourth proportional to 4,321.79, 6,482.90 and 2,102.66 is: 3,154.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.79 : 6,482.90 = 2,102.66 : x
  2. Step 2: Convert to fraction form
    4,321.79/6,482.90 = 2,102.66/x
  3. Step 3: Cross multiply
    4,321.79x = 6,482.90 × 2,102.66
  4. Step 4: Simplify right side
    4,321.79x = 13,631,331.67
  5. Step 5: Solve for x
    x = 13,631,331.67/4,321.79
  6. Step 6: Final answer
    x = 3,154.09

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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.