Home / 4,389.44-6,585.04-1,428.08

Finding the Fourth Proportional to 4,389.44, 6,585.04 and 1,428.08

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Solution

The fourth proportional to 4,389.44, 6,585.04 and 1,428.08 is: 2,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.44 : 6,585.04 = 1,428.08 : x
  2. Step 2: Convert to fraction form
    4,389.44/6,585.04 = 1,428.08/x
  3. Step 3: Cross multiply
    4,389.44x = 6,585.04 × 1,428.08
  4. Step 4: Simplify right side
    4,389.44x = 9,403,963.92
  5. Step 5: Solve for x
    x = 9,403,963.92/4,389.44
  6. Step 6: Final answer
    x = 2,142.41

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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.