Home / 4,428.81-6,644.70-1,655.78

Finding the Fourth Proportional to 4,428.81, 6,644.70 and 1,655.78

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Solution

The fourth proportional to 4,428.81, 6,644.70 and 1,655.78 is: 2,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.81 : 6,644.70 = 1,655.78 : x
  2. Step 2: Convert to fraction form
    4,428.81/6,644.70 = 1,655.78/x
  3. Step 3: Cross multiply
    4,428.81x = 6,644.70 × 1,655.78
  4. Step 4: Simplify right side
    4,428.81x = 11,002,128.14
  5. Step 5: Solve for x
    x = 11,002,128.14/4,428.81
  6. Step 6: Final answer
    x = 2,484.22

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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.