Home / 5,171.81-7,765.61-4,560.66

Finding the Fourth Proportional to 5,171.81, 7,765.61 and 4,560.66

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Solution

The fourth proportional to 5,171.81, 7,765.61 and 4,560.66 is: 6,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.81 : 7,765.61 = 4,560.66 : x
  2. Step 2: Convert to fraction form
    5,171.81/7,765.61 = 4,560.66/x
  3. Step 3: Cross multiply
    5,171.81x = 7,765.61 × 4,560.66
  4. Step 4: Simplify right side
    5,171.81x = 35,416,284.10
  5. Step 5: Solve for x
    x = 35,416,284.10/5,171.81
  6. Step 6: Final answer
    x = 6,847.95

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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.