Home / 5,578.68-7,698.57-3,060.81

Finding the Fourth Proportional to 5,578.68, 7,698.57 and 3,060.81

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Solution

The fourth proportional to 5,578.68, 7,698.57 and 3,060.81 is: 4,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.68 : 7,698.57 = 3,060.81 : x
  2. Step 2: Convert to fraction form
    5,578.68/7,698.57 = 3,060.81/x
  3. Step 3: Cross multiply
    5,578.68x = 7,698.57 × 3,060.81
  4. Step 4: Simplify right side
    5,578.68x = 23,563,860.04
  5. Step 5: Solve for x
    x = 23,563,860.04/5,578.68
  6. Step 6: Final answer
    x = 4,223.91

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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.