Home / 5,458.46-7,530.91-3,221.08

Finding the Fourth Proportional to 5,458.46, 7,530.91 and 3,221.08

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Solution

The fourth proportional to 5,458.46, 7,530.91 and 3,221.08 is: 4,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.46 : 7,530.91 = 3,221.08 : x
  2. Step 2: Convert to fraction form
    5,458.46/7,530.91 = 3,221.08/x
  3. Step 3: Cross multiply
    5,458.46x = 7,530.91 × 3,221.08
  4. Step 4: Simplify right side
    5,458.46x = 24,257,636.70
  5. Step 5: Solve for x
    x = 24,257,636.70/5,458.46
  6. Step 6: Final answer
    x = 4,444.05

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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.