Home / 6,424.11-8,864.64-3,772.17

Finding the Fourth Proportional to 6,424.11, 8,864.64 and 3,772.17

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Solution

The fourth proportional to 6,424.11, 8,864.64 and 3,772.17 is: 5,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.11 : 8,864.64 = 3,772.17 : x
  2. Step 2: Convert to fraction form
    6,424.11/8,864.64 = 3,772.17/x
  3. Step 3: Cross multiply
    6,424.11x = 8,864.64 × 3,772.17
  4. Step 4: Simplify right side
    6,424.11x = 33,438,929.07
  5. Step 5: Solve for x
    x = 33,438,929.07/6,424.11
  6. Step 6: Final answer
    x = 5,205.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.