Home / 7,314.80-10,090.85-4,329.54

Finding the Fourth Proportional to 7,314.80, 10,090.85 and 4,329.54

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Solution

The fourth proportional to 7,314.80, 10,090.85 and 4,329.54 is: 5,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.80 : 10,090.85 = 4,329.54 : x
  2. Step 2: Convert to fraction form
    7,314.80/10,090.85 = 4,329.54/x
  3. Step 3: Cross multiply
    7,314.80x = 10,090.85 × 4,329.54
  4. Step 4: Simplify right side
    7,314.80x = 43,688,717.06
  5. Step 5: Solve for x
    x = 43,688,717.06/7,314.80
  6. Step 6: Final answer
    x = 5,972.65

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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.