Home / 5,222.64-7,207.29-2,864.85

Finding the Fourth Proportional to 5,222.64, 7,207.29 and 2,864.85

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Solution

The fourth proportional to 5,222.64, 7,207.29 and 2,864.85 is: 3,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.64 : 7,207.29 = 2,864.85 : x
  2. Step 2: Convert to fraction form
    5,222.64/7,207.29 = 2,864.85/x
  3. Step 3: Cross multiply
    5,222.64x = 7,207.29 × 2,864.85
  4. Step 4: Simplify right side
    5,222.64x = 20,647,804.76
  5. Step 5: Solve for x
    x = 20,647,804.76/5,222.64
  6. Step 6: Final answer
    x = 3,953.52

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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.