Home / 8,683.74-13,022.69-2,838.98

Finding the Fourth Proportional to 8,683.74, 13,022.69 and 2,838.98

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Solution

The fourth proportional to 8,683.74, 13,022.69 and 2,838.98 is: 4,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.74 : 13,022.69 = 2,838.98 : x
  2. Step 2: Convert to fraction form
    8,683.74/13,022.69 = 2,838.98/x
  3. Step 3: Cross multiply
    8,683.74x = 13,022.69 × 2,838.98
  4. Step 4: Simplify right side
    8,683.74x = 36,971,156.46
  5. Step 5: Solve for x
    x = 36,971,156.46/8,683.74
  6. Step 6: Final answer
    x = 4,257.52

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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.