Home / 6,915.52-10,373.40-1,721.41

Finding the Fourth Proportional to 6,915.52, 10,373.40 and 1,721.41

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Solution

The fourth proportional to 6,915.52, 10,373.40 and 1,721.41 is: 2,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.52 : 10,373.40 = 1,721.41 : x
  2. Step 2: Convert to fraction form
    6,915.52/10,373.40 = 1,721.41/x
  3. Step 3: Cross multiply
    6,915.52x = 10,373.40 × 1,721.41
  4. Step 4: Simplify right side
    6,915.52x = 17,856,874.49
  5. Step 5: Solve for x
    x = 17,856,874.49/6,915.52
  6. Step 6: Final answer
    x = 2,582.14

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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.