Home / 5,103.17-7,042.32-2,864.99

Finding the Fourth Proportional to 5,103.17, 7,042.32 and 2,864.99

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Solution

The fourth proportional to 5,103.17, 7,042.32 and 2,864.99 is: 3,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.17 : 7,042.32 = 2,864.99 : x
  2. Step 2: Convert to fraction form
    5,103.17/7,042.32 = 2,864.99/x
  3. Step 3: Cross multiply
    5,103.17x = 7,042.32 × 2,864.99
  4. Step 4: Simplify right side
    5,103.17x = 20,176,162.05
  5. Step 5: Solve for x
    x = 20,176,162.05/5,103.17
  6. Step 6: Final answer
    x = 3,953.65

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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.