Home / 7,124.84-10,689.43-3,792.53

Finding the Fourth Proportional to 7,124.84, 10,689.43 and 3,792.53

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Solution

The fourth proportional to 7,124.84, 10,689.43 and 3,792.53 is: 5,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.84 : 10,689.43 = 3,792.53 : x
  2. Step 2: Convert to fraction form
    7,124.84/10,689.43 = 3,792.53/x
  3. Step 3: Cross multiply
    7,124.84x = 10,689.43 × 3,792.53
  4. Step 4: Simplify right side
    7,124.84x = 40,539,921.03
  5. Step 5: Solve for x
    x = 40,539,921.03/7,124.84
  6. Step 6: Final answer
    x = 5,689.94

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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.