Home / 6,889.12-10,336.73-3,927.45

Finding the Fourth Proportional to 6,889.12, 10,336.73 and 3,927.45

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Solution

The fourth proportional to 6,889.12, 10,336.73 and 3,927.45 is: 5,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.12 : 10,336.73 = 3,927.45 : x
  2. Step 2: Convert to fraction form
    6,889.12/10,336.73 = 3,927.45/x
  3. Step 3: Cross multiply
    6,889.12x = 10,336.73 × 3,927.45
  4. Step 4: Simplify right side
    6,889.12x = 40,596,970.60
  5. Step 5: Solve for x
    x = 40,596,970.60/6,889.12
  6. Step 6: Final answer
    x = 5,892.92

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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.