Home / 6,219.51-9,329.79-1,837.15

Finding the Fourth Proportional to 6,219.51, 9,329.79 and 1,837.15

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Solution

The fourth proportional to 6,219.51, 9,329.79 and 1,837.15 is: 2,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.51 : 9,329.79 = 1,837.15 : x
  2. Step 2: Convert to fraction form
    6,219.51/9,329.79 = 1,837.15/x
  3. Step 3: Cross multiply
    6,219.51x = 9,329.79 × 1,837.15
  4. Step 4: Simplify right side
    6,219.51x = 17,140,235.36
  5. Step 5: Solve for x
    x = 17,140,235.36/6,219.51
  6. Step 6: Final answer
    x = 2,755.88

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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.