Home / 5,011.38-6,915.57-2,742.63

Finding the Fourth Proportional to 5,011.38, 6,915.57 and 2,742.63

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Solution

The fourth proportional to 5,011.38, 6,915.57 and 2,742.63 is: 3,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.38 : 6,915.57 = 2,742.63 : x
  2. Step 2: Convert to fraction form
    5,011.38/6,915.57 = 2,742.63/x
  3. Step 3: Cross multiply
    5,011.38x = 6,915.57 × 2,742.63
  4. Step 4: Simplify right side
    5,011.38x = 18,966,849.75
  5. Step 5: Solve for x
    x = 18,966,849.75/5,011.38
  6. Step 6: Final answer
    x = 3,784.76

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Double scale
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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.