Home / 4,768.40-7,143.38-2,682.07

Finding the Fourth Proportional to 4,768.40, 7,143.38 and 2,682.07

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Solution

The fourth proportional to 4,768.40, 7,143.38 and 2,682.07 is: 4,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.40 : 7,143.38 = 2,682.07 : x
  2. Step 2: Convert to fraction form
    4,768.40/7,143.38 = 2,682.07/x
  3. Step 3: Cross multiply
    4,768.40x = 7,143.38 × 2,682.07
  4. Step 4: Simplify right side
    4,768.40x = 19,159,023.99
  5. Step 5: Solve for x
    x = 19,159,023.99/4,768.40
  6. Step 6: Final answer
    x = 4,017.91

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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.