Home / 5,585.03-8,378.93-3,944.78

Finding the Fourth Proportional to 5,585.03, 8,378.93 and 3,944.78

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Solution

The fourth proportional to 5,585.03, 8,378.93 and 3,944.78 is: 5,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.03 : 8,378.93 = 3,944.78 : x
  2. Step 2: Convert to fraction form
    5,585.03/8,378.93 = 3,944.78/x
  3. Step 3: Cross multiply
    5,585.03x = 8,378.93 × 3,944.78
  4. Step 4: Simplify right side
    5,585.03x = 33,053,015.76
  5. Step 5: Solve for x
    x = 33,053,015.76/5,585.03
  6. Step 6: Final answer
    x = 5,918.14

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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.