Home / 5,169.47-7,134.03-2,931.44

Finding the Fourth Proportional to 5,169.47, 7,134.03 and 2,931.44

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Solution

The fourth proportional to 5,169.47, 7,134.03 and 2,931.44 is: 4,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.47 : 7,134.03 = 2,931.44 : x
  2. Step 2: Convert to fraction form
    5,169.47/7,134.03 = 2,931.44/x
  3. Step 3: Cross multiply
    5,169.47x = 7,134.03 × 2,931.44
  4. Step 4: Simplify right side
    5,169.47x = 20,913,009.73
  5. Step 5: Solve for x
    x = 20,913,009.73/5,169.47
  6. Step 6: Final answer
    x = 4,045.48

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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.