Home / 4,988.46-7,466.90-2,790.53

Finding the Fourth Proportional to 4,988.46, 7,466.90 and 2,790.53

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Solution

The fourth proportional to 4,988.46, 7,466.90 and 2,790.53 is: 4,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.46 : 7,466.90 = 2,790.53 : x
  2. Step 2: Convert to fraction form
    4,988.46/7,466.90 = 2,790.53/x
  3. Step 3: Cross multiply
    4,988.46x = 7,466.90 × 2,790.53
  4. Step 4: Simplify right side
    4,988.46x = 20,836,557.17
  5. Step 5: Solve for x
    x = 20,836,557.17/4,988.46
  6. Step 6: Final answer
    x = 4,176.95

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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.