Home / 7,261.46-10,021.83-4,428.53

Finding the Fourth Proportional to 7,261.46, 10,021.83 and 4,428.53

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Solution

The fourth proportional to 7,261.46, 10,021.83 and 4,428.53 is: 6,111.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.46 : 10,021.83 = 4,428.53 : x
  2. Step 2: Convert to fraction form
    7,261.46/10,021.83 = 4,428.53/x
  3. Step 3: Cross multiply
    7,261.46x = 10,021.83 × 4,428.53
  4. Step 4: Simplify right side
    7,261.46x = 44,381,974.81
  5. Step 5: Solve for x
    x = 44,381,974.81/7,261.46
  6. Step 6: Final answer
    x = 6,111.99

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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.