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Finding the Fourth Proportional to 5,595.51, 8,391.78 and 1,699.95

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Solution

The fourth proportional to 5,595.51, 8,391.78 and 1,699.95 is: 2,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.51 : 8,391.78 = 1,699.95 : x
  2. Step 2: Convert to fraction form
    5,595.51/8,391.78 = 1,699.95/x
  3. Step 3: Cross multiply
    5,595.51x = 8,391.78 × 1,699.95
  4. Step 4: Simplify right side
    5,595.51x = 14,265,606.41
  5. Step 5: Solve for x
    x = 14,265,606.41/5,595.51
  6. Step 6: Final answer
    x = 2,549.47

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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.