Home / 6,860.84-10,289.21-2,180.00

Finding the Fourth Proportional to 6,860.84, 10,289.21 and 2,180.00

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Solution

The fourth proportional to 6,860.84, 10,289.21 and 2,180.00 is: 3,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.84 : 10,289.21 = 2,180.00 : x
  2. Step 2: Convert to fraction form
    6,860.84/10,289.21 = 2,180.00/x
  3. Step 3: Cross multiply
    6,860.84x = 10,289.21 × 2,180.00
  4. Step 4: Simplify right side
    6,860.84x = 22,430,415.45
  5. Step 5: Solve for x
    x = 22,430,415.45/6,860.84
  6. Step 6: Final answer
    x = 3,269.34

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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.