Home / 6,941.99-9,578.16-3,917.55

Finding the Fourth Proportional to 6,941.99, 9,578.16 and 3,917.55

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Solution

The fourth proportional to 6,941.99, 9,578.16 and 3,917.55 is: 5,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,941.99 : 9,578.16 = 3,917.55 : x
  2. Step 2: Convert to fraction form
    6,941.99/9,578.16 = 3,917.55/x
  3. Step 3: Cross multiply
    6,941.99x = 9,578.16 × 3,917.55
  4. Step 4: Simplify right side
    6,941.99x = 37,522,920.71
  5. Step 5: Solve for x
    x = 37,522,920.71/6,941.99
  6. Step 6: Final answer
    x = 5,405.21

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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.