Home / 7,325.10-10,983.60-3,164.40

Finding the Fourth Proportional to 7,325.10, 10,983.60 and 3,164.40

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Solution

The fourth proportional to 7,325.10, 10,983.60 and 3,164.40 is: 4,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.10 : 10,983.60 = 3,164.40 : x
  2. Step 2: Convert to fraction form
    7,325.10/10,983.60 = 3,164.40/x
  3. Step 3: Cross multiply
    7,325.10x = 10,983.60 × 3,164.40
  4. Step 4: Simplify right side
    7,325.10x = 34,756,503.84
  5. Step 5: Solve for x
    x = 34,756,503.84/7,325.10
  6. Step 6: Final answer
    x = 4,744.85

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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.