Home / 5,419.76-7,474.58-3,530.63

Finding the Fourth Proportional to 5,419.76, 7,474.58 and 3,530.63

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Solution

The fourth proportional to 5,419.76, 7,474.58 and 3,530.63 is: 4,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.76 : 7,474.58 = 3,530.63 : x
  2. Step 2: Convert to fraction form
    5,419.76/7,474.58 = 3,530.63/x
  3. Step 3: Cross multiply
    5,419.76x = 7,474.58 × 3,530.63
  4. Step 4: Simplify right side
    5,419.76x = 26,389,976.39
  5. Step 5: Solve for x
    x = 26,389,976.39/5,419.76
  6. Step 6: Final answer
    x = 4,869.21

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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.