Home / 4,808.72-6,635.40-2,945.36

Finding the Fourth Proportional to 4,808.72, 6,635.40 and 2,945.36

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Solution

The fourth proportional to 4,808.72, 6,635.40 and 2,945.36 is: 4,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.72 : 6,635.40 = 2,945.36 : x
  2. Step 2: Convert to fraction form
    4,808.72/6,635.40 = 2,945.36/x
  3. Step 3: Cross multiply
    4,808.72x = 6,635.40 × 2,945.36
  4. Step 4: Simplify right side
    4,808.72x = 19,543,641.74
  5. Step 5: Solve for x
    x = 19,543,641.74/4,808.72
  6. Step 6: Final answer
    x = 4,064.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.