Home / 5,164.02-7,127.48-3,395.79

Finding the Fourth Proportional to 5,164.02, 7,127.48 and 3,395.79

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Solution

The fourth proportional to 5,164.02, 7,127.48 and 3,395.79 is: 4,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.02 : 7,127.48 = 3,395.79 : x
  2. Step 2: Convert to fraction form
    5,164.02/7,127.48 = 3,395.79/x
  3. Step 3: Cross multiply
    5,164.02x = 7,127.48 × 3,395.79
  4. Step 4: Simplify right side
    5,164.02x = 24,203,408.33
  5. Step 5: Solve for x
    x = 24,203,408.33/5,164.02
  6. Step 6: Final answer
    x = 4,686.93

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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.