Home / 4,428.97-6,643.64-1,655.36

Finding the Fourth Proportional to 4,428.97, 6,643.64 and 1,655.36

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Solution

The fourth proportional to 4,428.97, 6,643.64 and 1,655.36 is: 2,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.97 : 6,643.64 = 1,655.36 : x
  2. Step 2: Convert to fraction form
    4,428.97/6,643.64 = 1,655.36/x
  3. Step 3: Cross multiply
    4,428.97x = 6,643.64 × 1,655.36
  4. Step 4: Simplify right side
    4,428.97x = 10,997,615.91
  5. Step 5: Solve for x
    x = 10,997,615.91/4,428.97
  6. Step 6: Final answer
    x = 2,483.11

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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.