Home / 5,011.38-6,915.78-2,915.46

Finding the Fourth Proportional to 5,011.38, 6,915.78 and 2,915.46

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Solution

The fourth proportional to 5,011.38, 6,915.78 and 2,915.46 is: 4,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.38 : 6,915.78 = 2,915.46 : x
  2. Step 2: Convert to fraction form
    5,011.38/6,915.78 = 2,915.46/x
  3. Step 3: Cross multiply
    5,011.38x = 6,915.78 × 2,915.46
  4. Step 4: Simplify right side
    5,011.38x = 20,162,679.96
  5. Step 5: Solve for x
    x = 20,162,679.96/5,011.38
  6. Step 6: Final answer
    x = 4,023.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.