Home / 5,011.68-6,915.60-2,773.20

Finding the Fourth Proportional to 5,011.68, 6,915.60 and 2,773.20

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Solution

The fourth proportional to 5,011.68, 6,915.60 and 2,773.20 is: 3,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.68 : 6,915.60 = 2,773.20 : x
  2. Step 2: Convert to fraction form
    5,011.68/6,915.60 = 2,773.20/x
  3. Step 3: Cross multiply
    5,011.68x = 6,915.60 × 2,773.20
  4. Step 4: Simplify right side
    5,011.68x = 19,178,341.92
  5. Step 5: Solve for x
    x = 19,178,341.92/5,011.68
  6. Step 6: Final answer
    x = 3,826.73

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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.