Home / 6,919.84-10,383.39-4,152.07

Finding the Fourth Proportional to 6,919.84, 10,383.39 and 4,152.07

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Solution

The fourth proportional to 6,919.84, 10,383.39 and 4,152.07 is: 6,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.84 : 10,383.39 = 4,152.07 : x
  2. Step 2: Convert to fraction form
    6,919.84/10,383.39 = 4,152.07/x
  3. Step 3: Cross multiply
    6,919.84x = 10,383.39 × 4,152.07
  4. Step 4: Simplify right side
    6,919.84x = 43,112,562.12
  5. Step 5: Solve for x
    x = 43,112,562.12/6,919.84
  6. Step 6: Final answer
    x = 6,230.28

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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.