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Finding the Fourth Proportional to 5,595.75, 8,388.40 and 1,895.40

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Solution

The fourth proportional to 5,595.75, 8,388.40 and 1,895.40 is: 2,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.75 : 8,388.40 = 1,895.40 : x
  2. Step 2: Convert to fraction form
    5,595.75/8,388.40 = 1,895.40/x
  3. Step 3: Cross multiply
    5,595.75x = 8,388.40 × 1,895.40
  4. Step 4: Simplify right side
    5,595.75x = 15,899,373.36
  5. Step 5: Solve for x
    x = 15,899,373.36/5,595.75
  6. Step 6: Final answer
    x = 2,841.33

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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.