Home / 5,153.46-7,108.05-3,165.12

Finding the Fourth Proportional to 5,153.46, 7,108.05 and 3,165.12

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Solution

The fourth proportional to 5,153.46, 7,108.05 and 3,165.12 is: 4,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.46 : 7,108.05 = 3,165.12 : x
  2. Step 2: Convert to fraction form
    5,153.46/7,108.05 = 3,165.12/x
  3. Step 3: Cross multiply
    5,153.46x = 7,108.05 × 3,165.12
  4. Step 4: Simplify right side
    5,153.46x = 22,497,831.22
  5. Step 5: Solve for x
    x = 22,497,831.22/5,153.46
  6. Step 6: Final answer
    x = 4,365.58

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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.