Home / 7,325.14-10,991.31-2,945.74

Finding the Fourth Proportional to 7,325.14, 10,991.31 and 2,945.74

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Solution

The fourth proportional to 7,325.14, 10,991.31 and 2,945.74 is: 4,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.14 : 10,991.31 = 2,945.74 : x
  2. Step 2: Convert to fraction form
    7,325.14/10,991.31 = 2,945.74/x
  3. Step 3: Cross multiply
    7,325.14x = 10,991.31 × 2,945.74
  4. Step 4: Simplify right side
    7,325.14x = 32,377,541.52
  5. Step 5: Solve for x
    x = 32,377,541.52/7,325.14
  6. Step 6: Final answer
    x = 4,420.06

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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.