Home / 5,915.78-8,878.06-2,796.74

Finding the Fourth Proportional to 5,915.78, 8,878.06 and 2,796.74

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Solution

The fourth proportional to 5,915.78, 8,878.06 and 2,796.74 is: 4,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.78 : 8,878.06 = 2,796.74 : x
  2. Step 2: Convert to fraction form
    5,915.78/8,878.06 = 2,796.74/x
  3. Step 3: Cross multiply
    5,915.78x = 8,878.06 × 2,796.74
  4. Step 4: Simplify right side
    5,915.78x = 24,829,574.14
  5. Step 5: Solve for x
    x = 24,829,574.14/5,915.78
  6. Step 6: Final answer
    x = 4,197.18

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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.