Home / 6,860.84-10,289.16-2,180.66

Finding the Fourth Proportional to 6,860.84, 10,289.16 and 2,180.66

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Solution

The fourth proportional to 6,860.84, 10,289.16 and 2,180.66 is: 3,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.84 : 10,289.16 = 2,180.66 : x
  2. Step 2: Convert to fraction form
    6,860.84/10,289.16 = 2,180.66/x
  3. Step 3: Cross multiply
    6,860.84x = 10,289.16 × 2,180.66
  4. Step 4: Simplify right side
    6,860.84x = 22,437,108.20
  5. Step 5: Solve for x
    x = 22,437,108.20/6,860.84
  6. Step 6: Final answer
    x = 3,270.32

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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.