Home / 4,589.65-6,881.37-1,815.58

Finding the Fourth Proportional to 4,589.65, 6,881.37 and 1,815.58

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Solution

The fourth proportional to 4,589.65, 6,881.37 and 1,815.58 is: 2,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.65 : 6,881.37 = 1,815.58 : x
  2. Step 2: Convert to fraction form
    4,589.65/6,881.37 = 1,815.58/x
  3. Step 3: Cross multiply
    4,589.65x = 6,881.37 × 1,815.58
  4. Step 4: Simplify right side
    4,589.65x = 12,493,677.74
  5. Step 5: Solve for x
    x = 12,493,677.74/4,589.65
  6. Step 6: Final answer
    x = 2,722.14

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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.