Home / 4,428.96-6,643.42-1,142.02

Finding the Fourth Proportional to 4,428.96, 6,643.42 and 1,142.02

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Solution

The fourth proportional to 4,428.96, 6,643.42 and 1,142.02 is: 1,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.96 : 6,643.42 = 1,142.02 : x
  2. Step 2: Convert to fraction form
    4,428.96/6,643.42 = 1,142.02/x
  3. Step 3: Cross multiply
    4,428.96x = 6,643.42 × 1,142.02
  4. Step 4: Simplify right side
    4,428.96x = 7,586,918.51
  5. Step 5: Solve for x
    x = 7,586,918.51/4,428.96
  6. Step 6: Final answer
    x = 1,713.02

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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.