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Finding the Fourth Proportional to 6,380.84, 9,547.21 and 5,733.38

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Solution

The fourth proportional to 6,380.84, 9,547.21 and 5,733.38 is: 8,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.84 : 9,547.21 = 5,733.38 : x
  2. Step 2: Convert to fraction form
    6,380.84/9,547.21 = 5,733.38/x
  3. Step 3: Cross multiply
    6,380.84x = 9,547.21 × 5,733.38
  4. Step 4: Simplify right side
    6,380.84x = 54,737,782.87
  5. Step 5: Solve for x
    x = 54,737,782.87/6,380.84
  6. Step 6: Final answer
    x = 8,578.46

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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.