Home / 7,429.69-11,146.92-2,165.02

Finding the Fourth Proportional to 7,429.69, 11,146.92 and 2,165.02

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Solution

The fourth proportional to 7,429.69, 11,146.92 and 2,165.02 is: 3,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.69 : 11,146.92 = 2,165.02 : x
  2. Step 2: Convert to fraction form
    7,429.69/11,146.92 = 2,165.02/x
  3. Step 3: Cross multiply
    7,429.69x = 11,146.92 × 2,165.02
  4. Step 4: Simplify right side
    7,429.69x = 24,133,268.75
  5. Step 5: Solve for x
    x = 24,133,268.75/7,429.69
  6. Step 6: Final answer
    x = 3,248.22

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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.