Home / 5,655.80-7,805.09-3,417.37

Finding the Fourth Proportional to 5,655.80, 7,805.09 and 3,417.37

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Solution

The fourth proportional to 5,655.80, 7,805.09 and 3,417.37 is: 4,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.80 : 7,805.09 = 3,417.37 : x
  2. Step 2: Convert to fraction form
    5,655.80/7,805.09 = 3,417.37/x
  3. Step 3: Cross multiply
    5,655.80x = 7,805.09 × 3,417.37
  4. Step 4: Simplify right side
    5,655.80x = 26,672,880.41
  5. Step 5: Solve for x
    x = 26,672,880.41/5,655.80
  6. Step 6: Final answer
    x = 4,716.02

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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.