Home / 5,555.57-8,333.79-1,857.82

Finding the Fourth Proportional to 5,555.57, 8,333.79 and 1,857.82

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Solution

The fourth proportional to 5,555.57, 8,333.79 and 1,857.82 is: 2,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.57 : 8,333.79 = 1,857.82 : x
  2. Step 2: Convert to fraction form
    5,555.57/8,333.79 = 1,857.82/x
  3. Step 3: Cross multiply
    5,555.57x = 8,333.79 × 1,857.82
  4. Step 4: Simplify right side
    5,555.57x = 15,482,643.52
  5. Step 5: Solve for x
    x = 15,482,643.52/5,555.57
  6. Step 6: Final answer
    x = 2,786.87

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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.