Home / 5,091.60-7,637.81-2,318.36

Finding the Fourth Proportional to 5,091.60, 7,637.81 and 2,318.36

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Solution

The fourth proportional to 5,091.60, 7,637.81 and 2,318.36 is: 3,477.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.60 : 7,637.81 = 2,318.36 : x
  2. Step 2: Convert to fraction form
    5,091.60/7,637.81 = 2,318.36/x
  3. Step 3: Cross multiply
    5,091.60x = 7,637.81 × 2,318.36
  4. Step 4: Simplify right side
    5,091.60x = 17,707,200.69
  5. Step 5: Solve for x
    x = 17,707,200.69/5,091.60
  6. Step 6: Final answer
    x = 3,477.73

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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.