Home / 7,989.18-11,024.64-4,452.72

Finding the Fourth Proportional to 7,989.18, 11,024.64 and 4,452.72

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Solution

The fourth proportional to 7,989.18, 11,024.64 and 4,452.72 is: 6,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.18 : 11,024.64 = 4,452.72 : x
  2. Step 2: Convert to fraction form
    7,989.18/11,024.64 = 4,452.72/x
  3. Step 3: Cross multiply
    7,989.18x = 11,024.64 × 4,452.72
  4. Step 4: Simplify right side
    7,989.18x = 49,089,635.02
  5. Step 5: Solve for x
    x = 49,089,635.02/7,989.18
  6. Step 6: Final answer
    x = 6,144.51

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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.