Home / 5,421.63-7,480.98-3,063.45

Finding the Fourth Proportional to 5,421.63, 7,480.98 and 3,063.45

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Solution

The fourth proportional to 5,421.63, 7,480.98 and 3,063.45 is: 4,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.63 : 7,480.98 = 3,063.45 : x
  2. Step 2: Convert to fraction form
    5,421.63/7,480.98 = 3,063.45/x
  3. Step 3: Cross multiply
    5,421.63x = 7,480.98 × 3,063.45
  4. Step 4: Simplify right side
    5,421.63x = 22,917,608.18
  5. Step 5: Solve for x
    x = 22,917,608.18/5,421.63
  6. Step 6: Final answer
    x = 4,227.07

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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.