Home / 7,345.53-10,131.58-5,188.60

Finding the Fourth Proportional to 7,345.53, 10,131.58 and 5,188.60

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Solution

The fourth proportional to 7,345.53, 10,131.58 and 5,188.60 is: 7,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.53 : 10,131.58 = 5,188.60 : x
  2. Step 2: Convert to fraction form
    7,345.53/10,131.58 = 5,188.60/x
  3. Step 3: Cross multiply
    7,345.53x = 10,131.58 × 5,188.60
  4. Step 4: Simplify right side
    7,345.53x = 52,568,715.99
  5. Step 5: Solve for x
    x = 52,568,715.99/7,345.53
  6. Step 6: Final answer
    x = 7,156.56

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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.