Home / 4,719.51-7,084.40-2,747.30

Finding the Fourth Proportional to 4,719.51, 7,084.40 and 2,747.30

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Solution

The fourth proportional to 4,719.51, 7,084.40 and 2,747.30 is: 4,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.51 : 7,084.40 = 2,747.30 : x
  2. Step 2: Convert to fraction form
    4,719.51/7,084.40 = 2,747.30/x
  3. Step 3: Cross multiply
    4,719.51x = 7,084.40 × 2,747.30
  4. Step 4: Simplify right side
    4,719.51x = 19,462,922.96
  5. Step 5: Solve for x
    x = 19,462,922.96/4,719.51
  6. Step 6: Final answer
    x = 4,123.93

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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.