Home / 4,815.61-6,641.76-3,137.54

Finding the Fourth Proportional to 4,815.61, 6,641.76 and 3,137.54

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Solution

The fourth proportional to 4,815.61, 6,641.76 and 3,137.54 is: 4,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.61 : 6,641.76 = 3,137.54 : x
  2. Step 2: Convert to fraction form
    4,815.61/6,641.76 = 3,137.54/x
  3. Step 3: Cross multiply
    4,815.61x = 6,641.76 × 3,137.54
  4. Step 4: Simplify right side
    4,815.61x = 20,838,787.67
  5. Step 5: Solve for x
    x = 20,838,787.67/4,815.61
  6. Step 6: Final answer
    x = 4,327.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.