Home / 4,389.80-6,578.62-2,047.28

Finding the Fourth Proportional to 4,389.80, 6,578.62 and 2,047.28

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Solution

The fourth proportional to 4,389.80, 6,578.62 and 2,047.28 is: 3,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.80 : 6,578.62 = 2,047.28 : x
  2. Step 2: Convert to fraction form
    4,389.80/6,578.62 = 2,047.28/x
  3. Step 3: Cross multiply
    4,389.80x = 6,578.62 × 2,047.28
  4. Step 4: Simplify right side
    4,389.80x = 13,468,239.14
  5. Step 5: Solve for x
    x = 13,468,239.14/4,389.80
  6. Step 6: Final answer
    x = 3,068.08

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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.