Home / 9,153.22-13,729.69-2,913.61

Finding the Fourth Proportional to 9,153.22, 13,729.69 and 2,913.61

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Solution

The fourth proportional to 9,153.22, 13,729.69 and 2,913.61 is: 4,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.22 : 13,729.69 = 2,913.61 : x
  2. Step 2: Convert to fraction form
    9,153.22/13,729.69 = 2,913.61/x
  3. Step 3: Cross multiply
    9,153.22x = 13,729.69 × 2,913.61
  4. Step 4: Simplify right side
    9,153.22x = 40,002,962.08
  5. Step 5: Solve for x
    x = 40,002,962.08/9,153.22
  6. Step 6: Final answer
    x = 4,370.37

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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.