Home / 6,747.45-10,119.98-3,970.87

Finding the Fourth Proportional to 6,747.45, 10,119.98 and 3,970.87

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Solution

The fourth proportional to 6,747.45, 10,119.98 and 3,970.87 is: 5,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.45 : 10,119.98 = 3,970.87 : x
  2. Step 2: Convert to fraction form
    6,747.45/10,119.98 = 3,970.87/x
  3. Step 3: Cross multiply
    6,747.45x = 10,119.98 × 3,970.87
  4. Step 4: Simplify right side
    6,747.45x = 40,185,124.98
  5. Step 5: Solve for x
    x = 40,185,124.98/6,747.45
  6. Step 6: Final answer
    x = 5,955.60

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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.