Home / 5,567.85-8,345.73-2,787.82

Finding the Fourth Proportional to 5,567.85, 8,345.73 and 2,787.82

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Solution

The fourth proportional to 5,567.85, 8,345.73 and 2,787.82 is: 4,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,567.85 : 8,345.73 = 2,787.82 : x
  2. Step 2: Convert to fraction form
    5,567.85/8,345.73 = 2,787.82/x
  3. Step 3: Cross multiply
    5,567.85x = 8,345.73 × 2,787.82
  4. Step 4: Simplify right side
    5,567.85x = 23,266,351.28
  5. Step 5: Solve for x
    x = 23,266,351.28/5,567.85
  6. Step 6: Final answer
    x = 4,178.70

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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.