Home / 9,845.52-14,771.16-2,920.20

Finding the Fourth Proportional to 9,845.52, 14,771.16 and 2,920.20

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Solution

The fourth proportional to 9,845.52, 14,771.16 and 2,920.20 is: 4,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.52 : 14,771.16 = 2,920.20 : x
  2. Step 2: Convert to fraction form
    9,845.52/14,771.16 = 2,920.20/x
  3. Step 3: Cross multiply
    9,845.52x = 14,771.16 × 2,920.20
  4. Step 4: Simplify right side
    9,845.52x = 43,134,741.43
  5. Step 5: Solve for x
    x = 43,134,741.43/9,845.52
  6. Step 6: Final answer
    x = 4,381.15

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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.