Home / 7,137.23-9,847.17-4,152.51

Finding the Fourth Proportional to 7,137.23, 9,847.17 and 4,152.51

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Solution

The fourth proportional to 7,137.23, 9,847.17 and 4,152.51 is: 5,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.23 : 9,847.17 = 4,152.51 : x
  2. Step 2: Convert to fraction form
    7,137.23/9,847.17 = 4,152.51/x
  3. Step 3: Cross multiply
    7,137.23x = 9,847.17 × 4,152.51
  4. Step 4: Simplify right side
    7,137.23x = 40,890,471.90
  5. Step 5: Solve for x
    x = 40,890,471.90/7,137.23
  6. Step 6: Final answer
    x = 5,729.18

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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.