Home / 5,699.09-7,864.04-3,181.34

Finding the Fourth Proportional to 5,699.09, 7,864.04 and 3,181.34

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Solution

The fourth proportional to 5,699.09, 7,864.04 and 3,181.34 is: 4,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.09 : 7,864.04 = 3,181.34 : x
  2. Step 2: Convert to fraction form
    5,699.09/7,864.04 = 3,181.34/x
  3. Step 3: Cross multiply
    5,699.09x = 7,864.04 × 3,181.34
  4. Step 4: Simplify right side
    5,699.09x = 25,018,212.63
  5. Step 5: Solve for x
    x = 25,018,212.63/5,699.09
  6. Step 6: Final answer
    x = 4,389.86

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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.