Home / 4,427.91-6,644.40-1,656.51

Finding the Fourth Proportional to 4,427.91, 6,644.40 and 1,656.51

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Solution

The fourth proportional to 4,427.91, 6,644.40 and 1,656.51 is: 2,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.91 : 6,644.40 = 1,656.51 : x
  2. Step 2: Convert to fraction form
    4,427.91/6,644.40 = 1,656.51/x
  3. Step 3: Cross multiply
    4,427.91x = 6,644.40 × 1,656.51
  4. Step 4: Simplify right side
    4,427.91x = 11,006,515.04
  5. Step 5: Solve for x
    x = 11,006,515.04/4,427.91
  6. Step 6: Final answer
    x = 2,485.71

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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.