Home / 6,185.86-9,279.62-1,803.28

Finding the Fourth Proportional to 6,185.86, 9,279.62 and 1,803.28

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Solution

The fourth proportional to 6,185.86, 9,279.62 and 1,803.28 is: 2,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,185.86 : 9,279.62 = 1,803.28 : x
  2. Step 2: Convert to fraction form
    6,185.86/9,279.62 = 1,803.28/x
  3. Step 3: Cross multiply
    6,185.86x = 9,279.62 × 1,803.28
  4. Step 4: Simplify right side
    6,185.86x = 16,733,725.45
  5. Step 5: Solve for x
    x = 16,733,725.45/6,185.86
  6. Step 6: Final answer
    x = 2,705.16

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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.