Home / 4,739.02-7,111.61-2,141.98

Finding the Fourth Proportional to 4,739.02, 7,111.61 and 2,141.98

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Solution

The fourth proportional to 4,739.02, 7,111.61 and 2,141.98 is: 3,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.02 : 7,111.61 = 2,141.98 : x
  2. Step 2: Convert to fraction form
    4,739.02/7,111.61 = 2,141.98/x
  3. Step 3: Cross multiply
    4,739.02x = 7,111.61 × 2,141.98
  4. Step 4: Simplify right side
    4,739.02x = 15,232,915.68
  5. Step 5: Solve for x
    x = 15,232,915.68/4,739.02
  6. Step 6: Final answer
    x = 3,214.36

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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.