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Finding the Fourth Proportional to 7,894.82, 10,893.33 and 4,751.21

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Solution

The fourth proportional to 7,894.82, 10,893.33 and 4,751.21 is: 6,555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.82 : 10,893.33 = 4,751.21 : x
  2. Step 2: Convert to fraction form
    7,894.82/10,893.33 = 4,751.21/x
  3. Step 3: Cross multiply
    7,894.82x = 10,893.33 × 4,751.21
  4. Step 4: Simplify right side
    7,894.82x = 51,756,443.96
  5. Step 5: Solve for x
    x = 51,756,443.96/7,894.82
  6. Step 6: Final answer
    x = 6,555.75

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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.