Home / 4,915.87-6,784.05-2,677.82

Finding the Fourth Proportional to 4,915.87, 6,784.05 and 2,677.82

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Solution

The fourth proportional to 4,915.87, 6,784.05 and 2,677.82 is: 3,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.87 : 6,784.05 = 2,677.82 : x
  2. Step 2: Convert to fraction form
    4,915.87/6,784.05 = 2,677.82/x
  3. Step 3: Cross multiply
    4,915.87x = 6,784.05 × 2,677.82
  4. Step 4: Simplify right side
    4,915.87x = 18,166,440.89
  5. Step 5: Solve for x
    x = 18,166,440.89/4,915.87
  6. Step 6: Final answer
    x = 3,695.47

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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.