Home / 4,389.73-6,587.20-1,618.35

Finding the Fourth Proportional to 4,389.73, 6,587.20 and 1,618.35

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Solution

The fourth proportional to 4,389.73, 6,587.20 and 1,618.35 is: 2,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.73 : 6,587.20 = 1,618.35 : x
  2. Step 2: Convert to fraction form
    4,389.73/6,587.20 = 1,618.35/x
  3. Step 3: Cross multiply
    4,389.73x = 6,587.20 × 1,618.35
  4. Step 4: Simplify right side
    4,389.73x = 10,660,395.12
  5. Step 5: Solve for x
    x = 10,660,395.12/4,389.73
  6. Step 6: Final answer
    x = 2,428.49

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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.