Home / 6,915.31-10,369.72-2,529.70

Finding the Fourth Proportional to 6,915.31, 10,369.72 and 2,529.70

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Solution

The fourth proportional to 6,915.31, 10,369.72 and 2,529.70 is: 3,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.31 : 10,369.72 = 2,529.70 : x
  2. Step 2: Convert to fraction form
    6,915.31/10,369.72 = 2,529.70/x
  3. Step 3: Cross multiply
    6,915.31x = 10,369.72 × 2,529.70
  4. Step 4: Simplify right side
    6,915.31x = 26,232,254.76
  5. Step 5: Solve for x
    x = 26,232,254.76/6,915.31
  6. Step 6: Final answer
    x = 3,793.36

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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.