Home / 4,719.74-7,073.60-1,943.28

Finding the Fourth Proportional to 4,719.74, 7,073.60 and 1,943.28

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Solution

The fourth proportional to 4,719.74, 7,073.60 and 1,943.28 is: 2,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.74 : 7,073.60 = 1,943.28 : x
  2. Step 2: Convert to fraction form
    4,719.74/7,073.60 = 1,943.28/x
  3. Step 3: Cross multiply
    4,719.74x = 7,073.60 × 1,943.28
  4. Step 4: Simplify right side
    4,719.74x = 13,745,985.41
  5. Step 5: Solve for x
    x = 13,745,985.41/4,719.74
  6. Step 6: Final answer
    x = 2,912.45

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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.