Home / 7,627.05-11,432.64-3,921.03

Finding the Fourth Proportional to 7,627.05, 11,432.64 and 3,921.03

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Solution

The fourth proportional to 7,627.05, 11,432.64 and 3,921.03 is: 5,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.05 : 11,432.64 = 3,921.03 : x
  2. Step 2: Convert to fraction form
    7,627.05/11,432.64 = 3,921.03/x
  3. Step 3: Cross multiply
    7,627.05x = 11,432.64 × 3,921.03
  4. Step 4: Simplify right side
    7,627.05x = 44,827,724.42
  5. Step 5: Solve for x
    x = 44,827,724.42/7,627.05
  6. Step 6: Final answer
    x = 5,877.47

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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.