Home / 9,225.05-13,838.49-2,652.21

Finding the Fourth Proportional to 9,225.05, 13,838.49 and 2,652.21

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Solution

The fourth proportional to 9,225.05, 13,838.49 and 2,652.21 is: 3,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.05 : 13,838.49 = 2,652.21 : x
  2. Step 2: Convert to fraction form
    9,225.05/13,838.49 = 2,652.21/x
  3. Step 3: Cross multiply
    9,225.05x = 13,838.49 × 2,652.21
  4. Step 4: Simplify right side
    9,225.05x = 36,702,581.56
  5. Step 5: Solve for x
    x = 36,702,581.56/9,225.05
  6. Step 6: Final answer
    x = 3,978.58

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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.