Home / 4,758.12-7,137.30-1,471.20

Finding the Fourth Proportional to 4,758.12, 7,137.30 and 1,471.20

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Solution

The fourth proportional to 4,758.12, 7,137.30 and 1,471.20 is: 2,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.12 : 7,137.30 = 1,471.20 : x
  2. Step 2: Convert to fraction form
    4,758.12/7,137.30 = 1,471.20/x
  3. Step 3: Cross multiply
    4,758.12x = 7,137.30 × 1,471.20
  4. Step 4: Simplify right side
    4,758.12x = 10,500,395.76
  5. Step 5: Solve for x
    x = 10,500,395.76/4,758.12
  6. Step 6: Final answer
    x = 2,206.84

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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.