Home / 7,579.64-11,371.46-5,402.16

Finding the Fourth Proportional to 7,579.64, 11,371.46 and 5,402.16

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Solution

The fourth proportional to 7,579.64, 11,371.46 and 5,402.16 is: 8,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.64 : 11,371.46 = 5,402.16 : x
  2. Step 2: Convert to fraction form
    7,579.64/11,371.46 = 5,402.16/x
  3. Step 3: Cross multiply
    7,579.64x = 11,371.46 × 5,402.16
  4. Step 4: Simplify right side
    7,579.64x = 61,430,446.35
  5. Step 5: Solve for x
    x = 61,430,446.35/7,579.64
  6. Step 6: Final answer
    x = 8,104.67

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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.