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Finding the Fourth Proportional to 4,764.02, 7,145.42 and 1,477.14

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Solution

The fourth proportional to 4,764.02, 7,145.42 and 1,477.14 is: 2,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.02 : 7,145.42 = 1,477.14 : x
  2. Step 2: Convert to fraction form
    4,764.02/7,145.42 = 1,477.14/x
  3. Step 3: Cross multiply
    4,764.02x = 7,145.42 × 1,477.14
  4. Step 4: Simplify right side
    4,764.02x = 10,554,751.52
  5. Step 5: Solve for x
    x = 10,554,751.52/4,764.02
  6. Step 6: Final answer
    x = 2,215.52

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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.