Home / 6,915.32-10,374.28-2,966.57

Finding the Fourth Proportional to 6,915.32, 10,374.28 and 2,966.57

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Solution

The fourth proportional to 6,915.32, 10,374.28 and 2,966.57 is: 4,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.32 : 10,374.28 = 2,966.57 : x
  2. Step 2: Convert to fraction form
    6,915.32/10,374.28 = 2,966.57/x
  3. Step 3: Cross multiply
    6,915.32x = 10,374.28 × 2,966.57
  4. Step 4: Simplify right side
    6,915.32x = 30,776,065.79
  5. Step 5: Solve for x
    x = 30,776,065.79/6,915.32
  6. Step 6: Final answer
    x = 4,450.42

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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.