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Finding the Fourth Proportional to 5,868.87, 8,801.10 and 2,945.13

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Solution

The fourth proportional to 5,868.87, 8,801.10 and 2,945.13 is: 4,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.87 : 8,801.10 = 2,945.13 : x
  2. Step 2: Convert to fraction form
    5,868.87/8,801.10 = 2,945.13/x
  3. Step 3: Cross multiply
    5,868.87x = 8,801.10 × 2,945.13
  4. Step 4: Simplify right side
    5,868.87x = 25,920,383.64
  5. Step 5: Solve for x
    x = 25,920,383.64/5,868.87
  6. Step 6: Final answer
    x = 4,416.59

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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.