Home / 9,285.80-13,929.60-2,712.02

Finding the Fourth Proportional to 9,285.80, 13,929.60 and 2,712.02

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Solution

The fourth proportional to 9,285.80, 13,929.60 and 2,712.02 is: 4,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.80 : 13,929.60 = 2,712.02 : x
  2. Step 2: Convert to fraction form
    9,285.80/13,929.60 = 2,712.02/x
  3. Step 3: Cross multiply
    9,285.80x = 13,929.60 × 2,712.02
  4. Step 4: Simplify right side
    9,285.80x = 37,777,353.79
  5. Step 5: Solve for x
    x = 37,777,353.79/9,285.80
  6. Step 6: Final answer
    x = 4,068.29

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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.