Home / 5,011.01-6,915.20-2,772.98

Finding the Fourth Proportional to 5,011.01, 6,915.20 and 2,772.98

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Solution

The fourth proportional to 5,011.01, 6,915.20 and 2,772.98 is: 3,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.01 : 6,915.20 = 2,772.98 : x
  2. Step 2: Convert to fraction form
    5,011.01/6,915.20 = 2,772.98/x
  3. Step 3: Cross multiply
    5,011.01x = 6,915.20 × 2,772.98
  4. Step 4: Simplify right side
    5,011.01x = 19,175,662.86
  5. Step 5: Solve for x
    x = 19,175,662.86/5,011.01
  6. Step 6: Final answer
    x = 3,826.71

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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.