Home / 6,219.80-9,329.78-1,837.32

Finding the Fourth Proportional to 6,219.80, 9,329.78 and 1,837.32

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Solution

The fourth proportional to 6,219.80, 9,329.78 and 1,837.32 is: 2,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.80 : 9,329.78 = 1,837.32 : x
  2. Step 2: Convert to fraction form
    6,219.80/9,329.78 = 1,837.32/x
  3. Step 3: Cross multiply
    6,219.80x = 9,329.78 × 1,837.32
  4. Step 4: Simplify right side
    6,219.80x = 17,141,791.39
  5. Step 5: Solve for x
    x = 17,141,791.39/6,219.80
  6. Step 6: Final answer
    x = 2,756.00

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1.5x scale

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.