Home / 4,894.02-7,342.17-2,121.50

Finding the Fourth Proportional to 4,894.02, 7,342.17 and 2,121.50

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Solution

The fourth proportional to 4,894.02, 7,342.17 and 2,121.50 is: 3,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.02 : 7,342.17 = 2,121.50 : x
  2. Step 2: Convert to fraction form
    4,894.02/7,342.17 = 2,121.50/x
  3. Step 3: Cross multiply
    4,894.02x = 7,342.17 × 2,121.50
  4. Step 4: Simplify right side
    4,894.02x = 15,576,376.94
  5. Step 5: Solve for x
    x = 15,576,376.94/4,894.02
  6. Step 6: Final answer
    x = 3,182.74

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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.