Home / 5,222.40-7,826.48-2,627.12

Finding the Fourth Proportional to 5,222.40, 7,826.48 and 2,627.12

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Solution

The fourth proportional to 5,222.40, 7,826.48 and 2,627.12 is: 3,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.40 : 7,826.48 = 2,627.12 : x
  2. Step 2: Convert to fraction form
    5,222.40/7,826.48 = 2,627.12/x
  3. Step 3: Cross multiply
    5,222.40x = 7,826.48 × 2,627.12
  4. Step 4: Simplify right side
    5,222.40x = 20,561,102.14
  5. Step 5: Solve for x
    x = 20,561,102.14/5,222.40
  6. Step 6: Final answer
    x = 3,937.10

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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.