Home / 7,338.58-11,005.05-2,657.21

Finding the Fourth Proportional to 7,338.58, 11,005.05 and 2,657.21

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Solution

The fourth proportional to 7,338.58, 11,005.05 and 2,657.21 is: 3,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.58 : 11,005.05 = 2,657.21 : x
  2. Step 2: Convert to fraction form
    7,338.58/11,005.05 = 2,657.21/x
  3. Step 3: Cross multiply
    7,338.58x = 11,005.05 × 2,657.21
  4. Step 4: Simplify right side
    7,338.58x = 29,242,680.11
  5. Step 5: Solve for x
    x = 29,242,680.11/7,338.58
  6. Step 6: Final answer
    x = 3,984.79

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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.