Home / 7,956.96-10,981.20-4,421.04

Finding the Fourth Proportional to 7,956.96, 10,981.20 and 4,421.04

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Solution

The fourth proportional to 7,956.96, 10,981.20 and 4,421.04 is: 6,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.96 : 10,981.20 = 4,421.04 : x
  2. Step 2: Convert to fraction form
    7,956.96/10,981.20 = 4,421.04/x
  3. Step 3: Cross multiply
    7,956.96x = 10,981.20 × 4,421.04
  4. Step 4: Simplify right side
    7,956.96x = 48,548,324.45
  5. Step 5: Solve for x
    x = 48,548,324.45/7,956.96
  6. Step 6: Final answer
    x = 6,101.37

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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.