Home / 5,140.89-7,712.21-2,367.50

Finding the Fourth Proportional to 5,140.89, 7,712.21 and 2,367.50

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Solution

The fourth proportional to 5,140.89, 7,712.21 and 2,367.50 is: 3,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.89 : 7,712.21 = 2,367.50 : x
  2. Step 2: Convert to fraction form
    5,140.89/7,712.21 = 2,367.50/x
  3. Step 3: Cross multiply
    5,140.89x = 7,712.21 × 2,367.50
  4. Step 4: Simplify right side
    5,140.89x = 18,258,624.53
  5. Step 5: Solve for x
    x = 18,258,624.53/5,140.89
  6. Step 6: Final answer
    x = 3,551.65

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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.