Home / 4,727.36-7,091.34-1,440.68

Finding the Fourth Proportional to 4,727.36, 7,091.34 and 1,440.68

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Solution

The fourth proportional to 4,727.36, 7,091.34 and 1,440.68 is: 2,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.36 : 7,091.34 = 1,440.68 : x
  2. Step 2: Convert to fraction form
    4,727.36/7,091.34 = 1,440.68/x
  3. Step 3: Cross multiply
    4,727.36x = 7,091.34 × 1,440.68
  4. Step 4: Simplify right side
    4,727.36x = 10,216,351.71
  5. Step 5: Solve for x
    x = 10,216,351.71/4,727.36
  6. Step 6: Final answer
    x = 2,161.11

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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.