Home / 5,709.29-7,877.96-3,191.13

Finding the Fourth Proportional to 5,709.29, 7,877.96 and 3,191.13

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Solution

The fourth proportional to 5,709.29, 7,877.96 and 3,191.13 is: 4,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.29 : 7,877.96 = 3,191.13 : x
  2. Step 2: Convert to fraction form
    5,709.29/7,877.96 = 3,191.13/x
  3. Step 3: Cross multiply
    5,709.29x = 7,877.96 × 3,191.13
  4. Step 4: Simplify right side
    5,709.29x = 25,139,590.51
  5. Step 5: Solve for x
    x = 25,139,590.51/5,709.29
  6. Step 6: Final answer
    x = 4,403.28

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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.