Home / 7,316.48-10,975.44-2,123.12

Finding the Fourth Proportional to 7,316.48, 10,975.44 and 2,123.12

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Solution

The fourth proportional to 7,316.48, 10,975.44 and 2,123.12 is: 3,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.48 : 10,975.44 = 2,123.12 : x
  2. Step 2: Convert to fraction form
    7,316.48/10,975.44 = 2,123.12/x
  3. Step 3: Cross multiply
    7,316.48x = 10,975.44 × 2,123.12
  4. Step 4: Simplify right side
    7,316.48x = 23,302,176.17
  5. Step 5: Solve for x
    x = 23,302,176.17/7,316.48
  6. Step 6: Final answer
    x = 3,184.89

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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.