Home / 7,325.79-10,989.20-2,943.25

Finding the Fourth Proportional to 7,325.79, 10,989.20 and 2,943.25

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Solution

The fourth proportional to 7,325.79, 10,989.20 and 2,943.25 is: 4,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.79 : 10,989.20 = 2,943.25 : x
  2. Step 2: Convert to fraction form
    7,325.79/10,989.20 = 2,943.25/x
  3. Step 3: Cross multiply
    7,325.79x = 10,989.20 × 2,943.25
  4. Step 4: Simplify right side
    7,325.79x = 32,343,893.24
  5. Step 5: Solve for x
    x = 32,343,893.24/7,325.79
  6. Step 6: Final answer
    x = 4,415.07

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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.