Home / 5,222.16-7,207.04-2,864.76

Finding the Fourth Proportional to 5,222.16, 7,207.04 and 2,864.76

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Solution

The fourth proportional to 5,222.16, 7,207.04 and 2,864.76 is: 3,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.16 : 7,207.04 = 2,864.76 : x
  2. Step 2: Convert to fraction form
    5,222.16/7,207.04 = 2,864.76/x
  3. Step 3: Cross multiply
    5,222.16x = 7,207.04 × 2,864.76
  4. Step 4: Simplify right side
    5,222.16x = 20,646,425.59
  5. Step 5: Solve for x
    x = 20,646,425.59/5,222.16
  6. Step 6: Final answer
    x = 3,953.62

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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.