Home / 4,490.33-6,739-3,113.36

Finding the Fourth Proportional to 4,490.33, 6,739 and 3,113.36

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Solution

The fourth proportional to 4,490.33, 6,739 and 3,113.36 is: 4,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.33 : 6,739 = 3,113.36 : x
  2. Step 2: Convert to fraction form
    4,490.33/6,739 = 3,113.36/x
  3. Step 3: Cross multiply
    4,490.33x = 6,739 × 3,113.36
  4. Step 4: Simplify right side
    4,490.33x = 20,980,933.04
  5. Step 5: Solve for x
    x = 20,980,933.04/4,490.33
  6. Step 6: Final answer
    x = 4,672.47

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1.5x scale

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.