Home / 5,155.51-7,727.27-2,376.35

Finding the Fourth Proportional to 5,155.51, 7,727.27 and 2,376.35

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Solution

The fourth proportional to 5,155.51, 7,727.27 and 2,376.35 is: 3,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.51 : 7,727.27 = 2,376.35 : x
  2. Step 2: Convert to fraction form
    5,155.51/7,727.27 = 2,376.35/x
  3. Step 3: Cross multiply
    5,155.51x = 7,727.27 × 2,376.35
  4. Step 4: Simplify right side
    5,155.51x = 18,362,659.43
  5. Step 5: Solve for x
    x = 18,362,659.43/5,155.51
  6. Step 6: Final answer
    x = 3,561.76

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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.