Home / 7,452.41-11,178.58-1,905.74

Finding the Fourth Proportional to 7,452.41, 11,178.58 and 1,905.74

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Solution

The fourth proportional to 7,452.41, 11,178.58 and 1,905.74 is: 2,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.41 : 11,178.58 = 1,905.74 : x
  2. Step 2: Convert to fraction form
    7,452.41/11,178.58 = 1,905.74/x
  3. Step 3: Cross multiply
    7,452.41x = 11,178.58 × 1,905.74
  4. Step 4: Simplify right side
    7,452.41x = 21,303,467.05
  5. Step 5: Solve for x
    x = 21,303,467.05/7,452.41
  6. Step 6: Final answer
    x = 2,858.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.