Home / 4,980.64-7,470.96-1,692.04

Finding the Fourth Proportional to 4,980.64, 7,470.96 and 1,692.04

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Solution

The fourth proportional to 4,980.64, 7,470.96 and 1,692.04 is: 2,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.64 : 7,470.96 = 1,692.04 : x
  2. Step 2: Convert to fraction form
    4,980.64/7,470.96 = 1,692.04/x
  3. Step 3: Cross multiply
    4,980.64x = 7,470.96 × 1,692.04
  4. Step 4: Simplify right side
    4,980.64x = 12,641,163.16
  5. Step 5: Solve for x
    x = 12,641,163.16/4,980.64
  6. Step 6: Final answer
    x = 2,538.06

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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.