Home / 5,374.50-7,419.96-3,386.76

Finding the Fourth Proportional to 5,374.50, 7,419.96 and 3,386.76

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Solution

The fourth proportional to 5,374.50, 7,419.96 and 3,386.76 is: 4,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.50 : 7,419.96 = 3,386.76 : x
  2. Step 2: Convert to fraction form
    5,374.50/7,419.96 = 3,386.76/x
  3. Step 3: Cross multiply
    5,374.50x = 7,419.96 × 3,386.76
  4. Step 4: Simplify right side
    5,374.50x = 25,129,623.73
  5. Step 5: Solve for x
    x = 25,129,623.73/5,374.50
  6. Step 6: Final answer
    x = 4,675.71

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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.