Home / 7,423.96-11,137.66-2,159.09

Finding the Fourth Proportional to 7,423.96, 11,137.66 and 2,159.09

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Solution

The fourth proportional to 7,423.96, 11,137.66 and 2,159.09 is: 3,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.96 : 11,137.66 = 2,159.09 : x
  2. Step 2: Convert to fraction form
    7,423.96/11,137.66 = 2,159.09/x
  3. Step 3: Cross multiply
    7,423.96x = 11,137.66 × 2,159.09
  4. Step 4: Simplify right side
    7,423.96x = 24,047,232.78
  5. Step 5: Solve for x
    x = 24,047,232.78/7,423.96
  6. Step 6: Final answer
    x = 3,239.14

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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.