Home / 6,963.80-10,445.70-2,580.80

Finding the Fourth Proportional to 6,963.80, 10,445.70 and 2,580.80

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Solution

The fourth proportional to 6,963.80, 10,445.70 and 2,580.80 is: 3,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,963.80 : 10,445.70 = 2,580.80 : x
  2. Step 2: Convert to fraction form
    6,963.80/10,445.70 = 2,580.80/x
  3. Step 3: Cross multiply
    6,963.80x = 10,445.70 × 2,580.80
  4. Step 4: Simplify right side
    6,963.80x = 26,958,262.56
  5. Step 5: Solve for x
    x = 26,958,262.56/6,963.80
  6. Step 6: Final answer
    x = 3,871.20

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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.