Home / 7,683.53-11,528.01-2,489.40

Finding the Fourth Proportional to 7,683.53, 11,528.01 and 2,489.40

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Solution

The fourth proportional to 7,683.53, 11,528.01 and 2,489.40 is: 3,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.53 : 11,528.01 = 2,489.40 : x
  2. Step 2: Convert to fraction form
    7,683.53/11,528.01 = 2,489.40/x
  3. Step 3: Cross multiply
    7,683.53x = 11,528.01 × 2,489.40
  4. Step 4: Simplify right side
    7,683.53x = 28,697,828.09
  5. Step 5: Solve for x
    x = 28,697,828.09/7,683.53
  6. Step 6: Final answer
    x = 3,734.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.