Home / 5,973.12-8,246.36-3,990.24

Finding the Fourth Proportional to 5,973.12, 8,246.36 and 3,990.24

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Solution

The fourth proportional to 5,973.12, 8,246.36 and 3,990.24 is: 5,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.12 : 8,246.36 = 3,990.24 : x
  2. Step 2: Convert to fraction form
    5,973.12/8,246.36 = 3,990.24/x
  3. Step 3: Cross multiply
    5,973.12x = 8,246.36 × 3,990.24
  4. Step 4: Simplify right side
    5,973.12x = 32,904,955.53
  5. Step 5: Solve for x
    x = 32,904,955.53/5,973.12
  6. Step 6: Final answer
    x = 5,508.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.