Home / 7,846.02-11,761.56-2,912.28

Finding the Fourth Proportional to 7,846.02, 11,761.56 and 2,912.28

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Solution

The fourth proportional to 7,846.02, 11,761.56 and 2,912.28 is: 4,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.02 : 11,761.56 = 2,912.28 : x
  2. Step 2: Convert to fraction form
    7,846.02/11,761.56 = 2,912.28/x
  3. Step 3: Cross multiply
    7,846.02x = 11,761.56 × 2,912.28
  4. Step 4: Simplify right side
    7,846.02x = 34,252,955.96
  5. Step 5: Solve for x
    x = 34,252,955.96/7,846.02
  6. Step 6: Final answer
    x = 4,365.65

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1.5x scale

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.