Home / 8,837.60-12,205.39-5,488.37

Finding the Fourth Proportional to 8,837.60, 12,205.39 and 5,488.37

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Solution

The fourth proportional to 8,837.60, 12,205.39 and 5,488.37 is: 7,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.60 : 12,205.39 = 5,488.37 : x
  2. Step 2: Convert to fraction form
    8,837.60/12,205.39 = 5,488.37/x
  3. Step 3: Cross multiply
    8,837.60x = 12,205.39 × 5,488.37
  4. Step 4: Simplify right side
    8,837.60x = 66,987,635.29
  5. Step 5: Solve for x
    x = 66,987,635.29/8,837.60
  6. Step 6: Final answer
    x = 7,579.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.