Home / 5,103.42-7,040.95-2,864.98

Finding the Fourth Proportional to 5,103.42, 7,040.95 and 2,864.98

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Solution

The fourth proportional to 5,103.42, 7,040.95 and 2,864.98 is: 3,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.42 : 7,040.95 = 2,864.98 : x
  2. Step 2: Convert to fraction form
    5,103.42/7,040.95 = 2,864.98/x
  3. Step 3: Cross multiply
    5,103.42x = 7,040.95 × 2,864.98
  4. Step 4: Simplify right side
    5,103.42x = 20,172,180.93
  5. Step 5: Solve for x
    x = 20,172,180.93/5,103.42
  6. Step 6: Final answer
    x = 3,952.68

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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.