Home / 5,135.58-7,707.54-2,915.82

Finding the Fourth Proportional to 5,135.58, 7,707.54 and 2,915.82

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Solution

The fourth proportional to 5,135.58, 7,707.54 and 2,915.82 is: 4,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.58 : 7,707.54 = 2,915.82 : x
  2. Step 2: Convert to fraction form
    5,135.58/7,707.54 = 2,915.82/x
  3. Step 3: Cross multiply
    5,135.58x = 7,707.54 × 2,915.82
  4. Step 4: Simplify right side
    5,135.58x = 22,473,799.28
  5. Step 5: Solve for x
    x = 22,473,799.28/5,135.58
  6. Step 6: Final answer
    x = 4,376.10

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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.