Home / 4,709.80-7,064.19-1,422.13

Finding the Fourth Proportional to 4,709.80, 7,064.19 and 1,422.13

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Solution

The fourth proportional to 4,709.80, 7,064.19 and 1,422.13 is: 2,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.80 : 7,064.19 = 1,422.13 : x
  2. Step 2: Convert to fraction form
    4,709.80/7,064.19 = 1,422.13/x
  3. Step 3: Cross multiply
    4,709.80x = 7,064.19 × 1,422.13
  4. Step 4: Simplify right side
    4,709.80x = 10,046,196.52
  5. Step 5: Solve for x
    x = 10,046,196.52/4,709.80
  6. Step 6: Final answer
    x = 2,133.04

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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.