Home / 7,351.80-11,030.40-2,969.70

Finding the Fourth Proportional to 7,351.80, 11,030.40 and 2,969.70

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Solution

The fourth proportional to 7,351.80, 11,030.40 and 2,969.70 is: 4,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.80 : 11,030.40 = 2,969.70 : x
  2. Step 2: Convert to fraction form
    7,351.80/11,030.40 = 2,969.70/x
  3. Step 3: Cross multiply
    7,351.80x = 11,030.40 × 2,969.70
  4. Step 4: Simplify right side
    7,351.80x = 32,756,978.88
  5. Step 5: Solve for x
    x = 32,756,978.88/7,351.80
  6. Step 6: Final answer
    x = 4,455.64

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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.