Home / 9,053.20-13,579.80-3,869.20

Finding the Fourth Proportional to 9,053.20, 13,579.80 and 3,869.20

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Solution

The fourth proportional to 9,053.20, 13,579.80 and 3,869.20 is: 5,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.20 : 13,579.80 = 3,869.20 : x
  2. Step 2: Convert to fraction form
    9,053.20/13,579.80 = 3,869.20/x
  3. Step 3: Cross multiply
    9,053.20x = 13,579.80 × 3,869.20
  4. Step 4: Simplify right side
    9,053.20x = 52,542,962.16
  5. Step 5: Solve for x
    x = 52,542,962.16/9,053.20
  6. Step 6: Final answer
    x = 5,803.80

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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.