Home / 7,076.92-10,615.40-2,915.88

Finding the Fourth Proportional to 7,076.92, 10,615.40 and 2,915.88

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Solution

The fourth proportional to 7,076.92, 10,615.40 and 2,915.88 is: 4,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.92 : 10,615.40 = 2,915.88 : x
  2. Step 2: Convert to fraction form
    7,076.92/10,615.40 = 2,915.88/x
  3. Step 3: Cross multiply
    7,076.92x = 10,615.40 × 2,915.88
  4. Step 4: Simplify right side
    7,076.92x = 30,953,232.55
  5. Step 5: Solve for x
    x = 30,953,232.55/7,076.92
  6. Step 6: Final answer
    x = 4,373.83

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1.5x scale

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.