Home / 4,695.20-7,036.40-3,831.20

Finding the Fourth Proportional to 4,695.20, 7,036.40 and 3,831.20

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Solution

The fourth proportional to 4,695.20, 7,036.40 and 3,831.20 is: 5,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.20 : 7,036.40 = 3,831.20 : x
  2. Step 2: Convert to fraction form
    4,695.20/7,036.40 = 3,831.20/x
  3. Step 3: Cross multiply
    4,695.20x = 7,036.40 × 3,831.20
  4. Step 4: Simplify right side
    4,695.20x = 26,957,855.68
  5. Step 5: Solve for x
    x = 26,957,855.68/4,695.20
  6. Step 6: Final answer
    x = 5,741.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.