Home / 5,029.74-6,948.09-3,639.78

Finding the Fourth Proportional to 5,029.74, 6,948.09 and 3,639.78

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Solution

The fourth proportional to 5,029.74, 6,948.09 and 3,639.78 is: 5,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.74 : 6,948.09 = 3,639.78 : x
  2. Step 2: Convert to fraction form
    5,029.74/6,948.09 = 3,639.78/x
  3. Step 3: Cross multiply
    5,029.74x = 6,948.09 × 3,639.78
  4. Step 4: Simplify right side
    5,029.74x = 25,289,519.02
  5. Step 5: Solve for x
    x = 25,289,519.02/5,029.74
  6. Step 6: Final answer
    x = 5,028.00

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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.