Home / 4,770.40-7,146.38-2,684.07

Finding the Fourth Proportional to 4,770.40, 7,146.38 and 2,684.07

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Solution

The fourth proportional to 4,770.40, 7,146.38 and 2,684.07 is: 4,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.40 : 7,146.38 = 2,684.07 : x
  2. Step 2: Convert to fraction form
    4,770.40/7,146.38 = 2,684.07/x
  3. Step 3: Cross multiply
    4,770.40x = 7,146.38 × 2,684.07
  4. Step 4: Simplify right side
    4,770.40x = 19,181,384.17
  5. Step 5: Solve for x
    x = 19,181,384.17/4,770.40
  6. Step 6: Final answer
    x = 4,020.92

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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.