Home / 6,690.06-10,033.20-4,221.18

Finding the Fourth Proportional to 6,690.06, 10,033.20 and 4,221.18

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Solution

The fourth proportional to 6,690.06, 10,033.20 and 4,221.18 is: 6,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.06 : 10,033.20 = 4,221.18 : x
  2. Step 2: Convert to fraction form
    6,690.06/10,033.20 = 4,221.18/x
  3. Step 3: Cross multiply
    6,690.06x = 10,033.20 × 4,221.18
  4. Step 4: Simplify right side
    6,690.06x = 42,351,943.18
  5. Step 5: Solve for x
    x = 42,351,943.18/6,690.06
  6. Step 6: Final answer
    x = 6,330.58

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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.