Home / 6,783.45-10,169.70-2,621.31

Finding the Fourth Proportional to 6,783.45, 10,169.70 and 2,621.31

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Solution

The fourth proportional to 6,783.45, 10,169.70 and 2,621.31 is: 3,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.45 : 10,169.70 = 2,621.31 : x
  2. Step 2: Convert to fraction form
    6,783.45/10,169.70 = 2,621.31/x
  3. Step 3: Cross multiply
    6,783.45x = 10,169.70 × 2,621.31
  4. Step 4: Simplify right side
    6,783.45x = 26,657,960.29
  5. Step 5: Solve for x
    x = 26,657,960.29/6,783.45
  6. Step 6: Final answer
    x = 3,929.86

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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.