Home / 8,411.05-11,603.68-4,872.97

Finding the Fourth Proportional to 8,411.05, 11,603.68 and 4,872.97

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Solution

The fourth proportional to 8,411.05, 11,603.68 and 4,872.97 is: 6,722.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.05 : 11,603.68 = 4,872.97 : x
  2. Step 2: Convert to fraction form
    8,411.05/11,603.68 = 4,872.97/x
  3. Step 3: Cross multiply
    8,411.05x = 11,603.68 × 4,872.97
  4. Step 4: Simplify right side
    8,411.05x = 56,544,384.53
  5. Step 5: Solve for x
    x = 56,544,384.53/8,411.05
  6. Step 6: Final answer
    x = 6,722.63

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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.