Home / 5,698.87-7,864.41-3,180.95

Finding the Fourth Proportional to 5,698.87, 7,864.41 and 3,180.95

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Solution

The fourth proportional to 5,698.87, 7,864.41 and 3,180.95 is: 4,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.87 : 7,864.41 = 3,180.95 : x
  2. Step 2: Convert to fraction form
    5,698.87/7,864.41 = 3,180.95/x
  3. Step 3: Cross multiply
    5,698.87x = 7,864.41 × 3,180.95
  4. Step 4: Simplify right side
    5,698.87x = 25,016,255.67
  5. Step 5: Solve for x
    x = 25,016,255.67/5,698.87
  6. Step 6: Final answer
    x = 4,389.69

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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.