Home / 5,103.35-7,042.23-2,864.79

Finding the Fourth Proportional to 5,103.35, 7,042.23 and 2,864.79

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Solution

The fourth proportional to 5,103.35, 7,042.23 and 2,864.79 is: 3,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.35 : 7,042.23 = 2,864.79 : x
  2. Step 2: Convert to fraction form
    5,103.35/7,042.23 = 2,864.79/x
  3. Step 3: Cross multiply
    5,103.35x = 7,042.23 × 2,864.79
  4. Step 4: Simplify right side
    5,103.35x = 20,174,510.08
  5. Step 5: Solve for x
    x = 20,174,510.08/5,103.35
  6. Step 6: Final answer
    x = 3,953.19

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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.