Home / 6,807.20-10,208.02-2,125.62

Finding the Fourth Proportional to 6,807.20, 10,208.02 and 2,125.62

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Solution

The fourth proportional to 6,807.20, 10,208.02 and 2,125.62 is: 3,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.20 : 10,208.02 = 2,125.62 : x
  2. Step 2: Convert to fraction form
    6,807.20/10,208.02 = 2,125.62/x
  3. Step 3: Cross multiply
    6,807.20x = 10,208.02 × 2,125.62
  4. Step 4: Simplify right side
    6,807.20x = 21,698,371.47
  5. Step 5: Solve for x
    x = 21,698,371.47/6,807.20
  6. Step 6: Final answer
    x = 3,187.56

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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.