Home / 6,690.06-9,994.39-4,330.84

Finding the Fourth Proportional to 6,690.06, 9,994.39 and 4,330.84

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Solution

The fourth proportional to 6,690.06, 9,994.39 and 4,330.84 is: 6,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.06 : 9,994.39 = 4,330.84 : x
  2. Step 2: Convert to fraction form
    6,690.06/9,994.39 = 4,330.84/x
  3. Step 3: Cross multiply
    6,690.06x = 9,994.39 × 4,330.84
  4. Step 4: Simplify right side
    6,690.06x = 43,284,114.81
  5. Step 5: Solve for x
    x = 43,284,114.81/6,690.06
  6. Step 6: Final answer
    x = 6,469.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.