Home / 4,727.74-7,091.61-2,127.64

Finding the Fourth Proportional to 4,727.74, 7,091.61 and 2,127.64

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Solution

The fourth proportional to 4,727.74, 7,091.61 and 2,127.64 is: 3,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.74 : 7,091.61 = 2,127.64 : x
  2. Step 2: Convert to fraction form
    4,727.74/7,091.61 = 2,127.64/x
  3. Step 3: Cross multiply
    4,727.74x = 7,091.61 × 2,127.64
  4. Step 4: Simplify right side
    4,727.74x = 15,088,393.10
  5. Step 5: Solve for x
    x = 15,088,393.10/4,727.74
  6. Step 6: Final answer
    x = 3,191.46

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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.