Home / 4,387.40-6,581.10-2,083.40

Finding the Fourth Proportional to 4,387.40, 6,581.10 and 2,083.40

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Solution

The fourth proportional to 4,387.40, 6,581.10 and 2,083.40 is: 3,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.40 : 6,581.10 = 2,083.40 : x
  2. Step 2: Convert to fraction form
    4,387.40/6,581.10 = 2,083.40/x
  3. Step 3: Cross multiply
    4,387.40x = 6,581.10 × 2,083.40
  4. Step 4: Simplify right side
    4,387.40x = 13,711,063.74
  5. Step 5: Solve for x
    x = 13,711,063.74/4,387.40
  6. Step 6: Final answer
    x = 3,125.10

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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.