Home / 5,577.49-8,363.40-1,878.40

Finding the Fourth Proportional to 5,577.49, 8,363.40 and 1,878.40

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Solution

The fourth proportional to 5,577.49, 8,363.40 and 1,878.40 is: 2,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.49 : 8,363.40 = 1,878.40 : x
  2. Step 2: Convert to fraction form
    5,577.49/8,363.40 = 1,878.40/x
  3. Step 3: Cross multiply
    5,577.49x = 8,363.40 × 1,878.40
  4. Step 4: Simplify right side
    5,577.49x = 15,709,810.56
  5. Step 5: Solve for x
    x = 15,709,810.56/5,577.49
  6. Step 6: Final answer
    x = 2,816.65

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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.