Home / 4,429.23-6,643.76-1,142.30

Finding the Fourth Proportional to 4,429.23, 6,643.76 and 1,142.30

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Solution

The fourth proportional to 4,429.23, 6,643.76 and 1,142.30 is: 1,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.23 : 6,643.76 = 1,142.30 : x
  2. Step 2: Convert to fraction form
    4,429.23/6,643.76 = 1,142.30/x
  3. Step 3: Cross multiply
    4,429.23x = 6,643.76 × 1,142.30
  4. Step 4: Simplify right side
    4,429.23x = 7,589,128.12
  5. Step 5: Solve for x
    x = 7,589,128.12/4,429.23
  6. Step 6: Final answer
    x = 1,713.42

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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.