Home / 4,315.78-5,949.75-3,649.96

Finding the Fourth Proportional to 4,315.78, 5,949.75 and 3,649.96

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Solution

The fourth proportional to 4,315.78, 5,949.75 and 3,649.96 is: 5,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.78 : 5,949.75 = 3,649.96 : x
  2. Step 2: Convert to fraction form
    4,315.78/5,949.75 = 3,649.96/x
  3. Step 3: Cross multiply
    4,315.78x = 5,949.75 × 3,649.96
  4. Step 4: Simplify right side
    4,315.78x = 21,716,349.51
  5. Step 5: Solve for x
    x = 21,716,349.51/4,315.78
  6. Step 6: Final answer
    x = 5,031.85

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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.