Home / 4,740.57-7,107.81-1,969.16

Finding the Fourth Proportional to 4,740.57, 7,107.81 and 1,969.16

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Solution

The fourth proportional to 4,740.57, 7,107.81 and 1,969.16 is: 2,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.57 : 7,107.81 = 1,969.16 : x
  2. Step 2: Convert to fraction form
    4,740.57/7,107.81 = 1,969.16/x
  3. Step 3: Cross multiply
    4,740.57x = 7,107.81 × 1,969.16
  4. Step 4: Simplify right side
    4,740.57x = 13,996,379.60
  5. Step 5: Solve for x
    x = 13,996,379.60/4,740.57
  6. Step 6: Final answer
    x = 2,952.47

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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.