Home / 6,924.38-9,555.93-3,940.74

Finding the Fourth Proportional to 6,924.38, 9,555.93 and 3,940.74

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Solution

The fourth proportional to 6,924.38, 9,555.93 and 3,940.74 is: 5,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.38 : 9,555.93 = 3,940.74 : x
  2. Step 2: Convert to fraction form
    6,924.38/9,555.93 = 3,940.74/x
  3. Step 3: Cross multiply
    6,924.38x = 9,555.93 × 3,940.74
  4. Step 4: Simplify right side
    6,924.38x = 37,657,435.59
  5. Step 5: Solve for x
    x = 37,657,435.59/6,924.38
  6. Step 6: Final answer
    x = 5,438.39

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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.