Home / 4,084.65-6,123.38-1,621.20

Finding the Fourth Proportional to 4,084.65, 6,123.38 and 1,621.20

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Solution

The fourth proportional to 4,084.65, 6,123.38 and 1,621.20 is: 2,430.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.65 : 6,123.38 = 1,621.20 : x
  2. Step 2: Convert to fraction form
    4,084.65/6,123.38 = 1,621.20/x
  3. Step 3: Cross multiply
    4,084.65x = 6,123.38 × 1,621.20
  4. Step 4: Simplify right side
    4,084.65x = 9,927,223.66
  5. Step 5: Solve for x
    x = 9,927,223.66/4,084.65
  6. Step 6: Final answer
    x = 2,430.37

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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.