Home / 5,087.04-7,630.56-2,491.80

Finding the Fourth Proportional to 5,087.04, 7,630.56 and 2,491.80

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Solution

The fourth proportional to 5,087.04, 7,630.56 and 2,491.80 is: 3,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.04 : 7,630.56 = 2,491.80 : x
  2. Step 2: Convert to fraction form
    5,087.04/7,630.56 = 2,491.80/x
  3. Step 3: Cross multiply
    5,087.04x = 7,630.56 × 2,491.80
  4. Step 4: Simplify right side
    5,087.04x = 19,013,829.41
  5. Step 5: Solve for x
    x = 19,013,829.41/5,087.04
  6. Step 6: Final answer
    x = 3,737.70

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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.