Home / 6,673.28-9,208.98-3,689

Finding the Fourth Proportional to 6,673.28, 9,208.98 and 3,689

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Solution

The fourth proportional to 6,673.28, 9,208.98 and 3,689 is: 5,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.28 : 9,208.98 = 3,689 : x
  2. Step 2: Convert to fraction form
    6,673.28/9,208.98 = 3,689/x
  3. Step 3: Cross multiply
    6,673.28x = 9,208.98 × 3,689
  4. Step 4: Simplify right side
    6,673.28x = 33,971,927.22
  5. Step 5: Solve for x
    x = 33,971,927.22/6,673.28
  6. Step 6: Final answer
    x = 5,090.74

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1.5x scale

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.