Home / 7,577.56-11,345.46-5,722.96

Finding the Fourth Proportional to 7,577.56, 11,345.46 and 5,722.96

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Solution

The fourth proportional to 7,577.56, 11,345.46 and 5,722.96 is: 8,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.56 : 11,345.46 = 5,722.96 : x
  2. Step 2: Convert to fraction form
    7,577.56/11,345.46 = 5,722.96/x
  3. Step 3: Cross multiply
    7,577.56x = 11,345.46 × 5,722.96
  4. Step 4: Simplify right side
    7,577.56x = 64,929,613.76
  5. Step 5: Solve for x
    x = 64,929,613.76/7,577.56
  6. Step 6: Final answer
    x = 8,568.67

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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.