Home / 9,213.57-13,820.35-2,288.07

Finding the Fourth Proportional to 9,213.57, 13,820.35 and 2,288.07

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Solution

The fourth proportional to 9,213.57, 13,820.35 and 2,288.07 is: 3,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.57 : 13,820.35 = 2,288.07 : x
  2. Step 2: Convert to fraction form
    9,213.57/13,820.35 = 2,288.07/x
  3. Step 3: Cross multiply
    9,213.57x = 13,820.35 × 2,288.07
  4. Step 4: Simplify right side
    9,213.57x = 31,621,847.68
  5. Step 5: Solve for x
    x = 31,621,847.68/9,213.57
  6. Step 6: Final answer
    x = 3,432.10

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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.