Home / 4,765.12-7,145.06-1,477.30

Finding the Fourth Proportional to 4,765.12, 7,145.06 and 1,477.30

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Solution

The fourth proportional to 4,765.12, 7,145.06 and 1,477.30 is: 2,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.12 : 7,145.06 = 1,477.30 : x
  2. Step 2: Convert to fraction form
    4,765.12/7,145.06 = 1,477.30/x
  3. Step 3: Cross multiply
    4,765.12x = 7,145.06 × 1,477.30
  4. Step 4: Simplify right side
    4,765.12x = 10,555,397.14
  5. Step 5: Solve for x
    x = 10,555,397.14/4,765.12
  6. Step 6: Final answer
    x = 2,215.14

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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.