Home / 4,625.98-6,939.78-2,159.53

Finding the Fourth Proportional to 4,625.98, 6,939.78 and 2,159.53

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Solution

The fourth proportional to 4,625.98, 6,939.78 and 2,159.53 is: 3,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.98 : 6,939.78 = 2,159.53 : x
  2. Step 2: Convert to fraction form
    4,625.98/6,939.78 = 2,159.53/x
  3. Step 3: Cross multiply
    4,625.98x = 6,939.78 × 2,159.53
  4. Step 4: Simplify right side
    4,625.98x = 14,986,663.10
  5. Step 5: Solve for x
    x = 14,986,663.10/4,625.98
  6. Step 6: Final answer
    x = 3,239.67

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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.