Home / 6,410.14-9,621.15-3,949.77

Finding the Fourth Proportional to 6,410.14, 9,621.15 and 3,949.77

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Solution

The fourth proportional to 6,410.14, 9,621.15 and 3,949.77 is: 5,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.14 : 9,621.15 = 3,949.77 : x
  2. Step 2: Convert to fraction form
    6,410.14/9,621.15 = 3,949.77/x
  3. Step 3: Cross multiply
    6,410.14x = 9,621.15 × 3,949.77
  4. Step 4: Simplify right side
    6,410.14x = 38,001,329.64
  5. Step 5: Solve for x
    x = 38,001,329.64/6,410.14
  6. Step 6: Final answer
    x = 5,928.32

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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.