Home / 6,621.32-9,934.14-3,158.12

Finding the Fourth Proportional to 6,621.32, 9,934.14 and 3,158.12

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Solution

The fourth proportional to 6,621.32, 9,934.14 and 3,158.12 is: 4,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.32 : 9,934.14 = 3,158.12 : x
  2. Step 2: Convert to fraction form
    6,621.32/9,934.14 = 3,158.12/x
  3. Step 3: Cross multiply
    6,621.32x = 9,934.14 × 3,158.12
  4. Step 4: Simplify right side
    6,621.32x = 31,373,206.22
  5. Step 5: Solve for x
    x = 31,373,206.22/6,621.32
  6. Step 6: Final answer
    x = 4,738.21

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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.