Home / 7,528.77-11,294.19-3,145.20

Finding the Fourth Proportional to 7,528.77, 11,294.19 and 3,145.20

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Solution

The fourth proportional to 7,528.77, 11,294.19 and 3,145.20 is: 4,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.77 : 11,294.19 = 3,145.20 : x
  2. Step 2: Convert to fraction form
    7,528.77/11,294.19 = 3,145.20/x
  3. Step 3: Cross multiply
    7,528.77x = 11,294.19 × 3,145.20
  4. Step 4: Simplify right side
    7,528.77x = 35,522,486.39
  5. Step 5: Solve for x
    x = 35,522,486.39/7,528.77
  6. Step 6: Final answer
    x = 4,718.23

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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.