Home / 5,011.30-6,915.12-2,773.15

Finding the Fourth Proportional to 5,011.30, 6,915.12 and 2,773.15

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Solution

The fourth proportional to 5,011.30, 6,915.12 and 2,773.15 is: 3,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.30 : 6,915.12 = 2,773.15 : x
  2. Step 2: Convert to fraction form
    5,011.30/6,915.12 = 2,773.15/x
  3. Step 3: Cross multiply
    5,011.30x = 6,915.12 × 2,773.15
  4. Step 4: Simplify right side
    5,011.30x = 19,176,665.03
  5. Step 5: Solve for x
    x = 19,176,665.03/5,011.30
  6. Step 6: Final answer
    x = 3,826.68

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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.