Home / 7,840.98-11,748.51-4,912.02

Finding the Fourth Proportional to 7,840.98, 11,748.51 and 4,912.02

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Solution

The fourth proportional to 7,840.98, 11,748.51 and 4,912.02 is: 7,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.98 : 11,748.51 = 4,912.02 : x
  2. Step 2: Convert to fraction form
    7,840.98/11,748.51 = 4,912.02/x
  3. Step 3: Cross multiply
    7,840.98x = 11,748.51 × 4,912.02
  4. Step 4: Simplify right side
    7,840.98x = 57,708,916.09
  5. Step 5: Solve for x
    x = 57,708,916.09/7,840.98
  6. Step 6: Final answer
    x = 7,359.91

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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.