Home / 4,585.65-6,876.45-1,811.40

Finding the Fourth Proportional to 4,585.65, 6,876.45 and 1,811.40

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Solution

The fourth proportional to 4,585.65, 6,876.45 and 1,811.40 is: 2,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585.65 : 6,876.45 = 1,811.40 : x
  2. Step 2: Convert to fraction form
    4,585.65/6,876.45 = 1,811.40/x
  3. Step 3: Cross multiply
    4,585.65x = 6,876.45 × 1,811.40
  4. Step 4: Simplify right side
    4,585.65x = 12,456,001.53
  5. Step 5: Solve for x
    x = 12,456,001.53/4,585.65
  6. Step 6: Final answer
    x = 2,716.30

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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.