Home / 5,325.37-7,989.17-1,815.10

Finding the Fourth Proportional to 5,325.37, 7,989.17 and 1,815.10

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Solution

The fourth proportional to 5,325.37, 7,989.17 and 1,815.10 is: 2,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.37 : 7,989.17 = 1,815.10 : x
  2. Step 2: Convert to fraction form
    5,325.37/7,989.17 = 1,815.10/x
  3. Step 3: Cross multiply
    5,325.37x = 7,989.17 × 1,815.10
  4. Step 4: Simplify right side
    5,325.37x = 14,501,142.47
  5. Step 5: Solve for x
    x = 14,501,142.47/5,325.37
  6. Step 6: Final answer
    x = 2,723.03

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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.