Home / 9,825.58-14,729.10-4,890.55

Finding the Fourth Proportional to 9,825.58, 14,729.10 and 4,890.55

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Solution

The fourth proportional to 9,825.58, 14,729.10 and 4,890.55 is: 7,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.58 : 14,729.10 = 4,890.55 : x
  2. Step 2: Convert to fraction form
    9,825.58/14,729.10 = 4,890.55/x
  3. Step 3: Cross multiply
    9,825.58x = 14,729.10 × 4,890.55
  4. Step 4: Simplify right side
    9,825.58x = 72,033,369.37
  5. Step 5: Solve for x
    x = 72,033,369.37/9,825.58
  6. Step 6: Final answer
    x = 7,331.21

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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.