Home / 5,609.15-7,740.57-3,091.19

Finding the Fourth Proportional to 5,609.15, 7,740.57 and 3,091.19

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Solution

The fourth proportional to 5,609.15, 7,740.57 and 3,091.19 is: 4,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.15 : 7,740.57 = 3,091.19 : x
  2. Step 2: Convert to fraction form
    5,609.15/7,740.57 = 3,091.19/x
  3. Step 3: Cross multiply
    5,609.15x = 7,740.57 × 3,091.19
  4. Step 4: Simplify right side
    5,609.15x = 23,927,557.12
  5. Step 5: Solve for x
    x = 23,927,557.12/5,609.15
  6. Step 6: Final answer
    x = 4,265.81

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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.