Home / 9,890.98-14,838.18-3,317.80

Finding the Fourth Proportional to 9,890.98, 14,838.18 and 3,317.80

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Solution

The fourth proportional to 9,890.98, 14,838.18 and 3,317.80 is: 4,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.98 : 14,838.18 = 3,317.80 : x
  2. Step 2: Convert to fraction form
    9,890.98/14,838.18 = 3,317.80/x
  3. Step 3: Cross multiply
    9,890.98x = 14,838.18 × 3,317.80
  4. Step 4: Simplify right side
    9,890.98x = 49,230,113.60
  5. Step 5: Solve for x
    x = 49,230,113.60/9,890.98
  6. Step 6: Final answer
    x = 4,977.27

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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.