Home / 5,171.38-7,753.02-2,705.74

Finding the Fourth Proportional to 5,171.38, 7,753.02 and 2,705.74

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Solution

The fourth proportional to 5,171.38, 7,753.02 and 2,705.74 is: 4,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.38 : 7,753.02 = 2,705.74 : x
  2. Step 2: Convert to fraction form
    5,171.38/7,753.02 = 2,705.74/x
  3. Step 3: Cross multiply
    5,171.38x = 7,753.02 × 2,705.74
  4. Step 4: Simplify right side
    5,171.38x = 20,977,626.81
  5. Step 5: Solve for x
    x = 20,977,626.81/5,171.38
  6. Step 6: Final answer
    x = 4,056.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.