Home / 4,727.24-7,091.33-1,808

Finding the Fourth Proportional to 4,727.24, 7,091.33 and 1,808

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Solution

The fourth proportional to 4,727.24, 7,091.33 and 1,808 is: 2,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.24 : 7,091.33 = 1,808 : x
  2. Step 2: Convert to fraction form
    4,727.24/7,091.33 = 1,808/x
  3. Step 3: Cross multiply
    4,727.24x = 7,091.33 × 1,808
  4. Step 4: Simplify right side
    4,727.24x = 12,821,124.64
  5. Step 5: Solve for x
    x = 12,821,124.64/4,727.24
  6. Step 6: Final answer
    x = 2,712.18

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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.