Home / 6,678.57-10,018.77-2,782.07

Finding the Fourth Proportional to 6,678.57, 10,018.77 and 2,782.07

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Solution

The fourth proportional to 6,678.57, 10,018.77 and 2,782.07 is: 4,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.57 : 10,018.77 = 2,782.07 : x
  2. Step 2: Convert to fraction form
    6,678.57/10,018.77 = 2,782.07/x
  3. Step 3: Cross multiply
    6,678.57x = 10,018.77 × 2,782.07
  4. Step 4: Simplify right side
    6,678.57x = 27,872,855.45
  5. Step 5: Solve for x
    x = 27,872,855.45/6,678.57
  6. Step 6: Final answer
    x = 4,173.48

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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.