Home / 7,305.34-10,956.30-2,921.62

Finding the Fourth Proportional to 7,305.34, 10,956.30 and 2,921.62

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Solution

The fourth proportional to 7,305.34, 10,956.30 and 2,921.62 is: 4,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.34 : 10,956.30 = 2,921.62 : x
  2. Step 2: Convert to fraction form
    7,305.34/10,956.30 = 2,921.62/x
  3. Step 3: Cross multiply
    7,305.34x = 10,956.30 × 2,921.62
  4. Step 4: Simplify right side
    7,305.34x = 32,010,145.21
  5. Step 5: Solve for x
    x = 32,010,145.21/7,305.34
  6. Step 6: Final answer
    x = 4,381.75

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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.