Home / 6,678.07-10,018.01-2,781.56

Finding the Fourth Proportional to 6,678.07, 10,018.01 and 2,781.56

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Solution

The fourth proportional to 6,678.07, 10,018.01 and 2,781.56 is: 4,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.07 : 10,018.01 = 2,781.56 : x
  2. Step 2: Convert to fraction form
    6,678.07/10,018.01 = 2,781.56/x
  3. Step 3: Cross multiply
    6,678.07x = 10,018.01 × 2,781.56
  4. Step 4: Simplify right side
    6,678.07x = 27,865,727.89
  5. Step 5: Solve for x
    x = 27,865,727.89/6,678.07
  6. Step 6: Final answer
    x = 4,172.72

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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.