Home / 5,091.87-7,637.58-1,805.46

Finding the Fourth Proportional to 5,091.87, 7,637.58 and 1,805.46

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Solution

The fourth proportional to 5,091.87, 7,637.58 and 1,805.46 is: 2,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.87 : 7,637.58 = 1,805.46 : x
  2. Step 2: Convert to fraction form
    5,091.87/7,637.58 = 1,805.46/x
  3. Step 3: Cross multiply
    5,091.87x = 7,637.58 × 1,805.46
  4. Step 4: Simplify right side
    5,091.87x = 13,789,345.19
  5. Step 5: Solve for x
    x = 13,789,345.19/5,091.87
  6. Step 6: Final answer
    x = 2,708.11

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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.