Home / 7,957.22-10,981.43-4,420.67

Finding the Fourth Proportional to 7,957.22, 10,981.43 and 4,420.67

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Solution

The fourth proportional to 7,957.22, 10,981.43 and 4,420.67 is: 6,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.22 : 10,981.43 = 4,420.67 : x
  2. Step 2: Convert to fraction form
    7,957.22/10,981.43 = 4,420.67/x
  3. Step 3: Cross multiply
    7,957.22x = 10,981.43 × 4,420.67
  4. Step 4: Simplify right side
    7,957.22x = 48,545,201.15
  5. Step 5: Solve for x
    x = 48,545,201.15/7,957.22
  6. Step 6: Final answer
    x = 6,100.78

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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.