Home / 5,209.35-7,814.11-1,699.34

Finding the Fourth Proportional to 5,209.35, 7,814.11 and 1,699.34

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Solution

The fourth proportional to 5,209.35, 7,814.11 and 1,699.34 is: 2,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.35 : 7,814.11 = 1,699.34 : x
  2. Step 2: Convert to fraction form
    5,209.35/7,814.11 = 1,699.34/x
  3. Step 3: Cross multiply
    5,209.35x = 7,814.11 × 1,699.34
  4. Step 4: Simplify right side
    5,209.35x = 13,278,821.19
  5. Step 5: Solve for x
    x = 13,278,821.19/5,209.35
  6. Step 6: Final answer
    x = 2,549.04

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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.