Home / 6,880.49-10,315.70-2,197.80

Finding the Fourth Proportional to 6,880.49, 10,315.70 and 2,197.80

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Solution

The fourth proportional to 6,880.49, 10,315.70 and 2,197.80 is: 3,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.49 : 10,315.70 = 2,197.80 : x
  2. Step 2: Convert to fraction form
    6,880.49/10,315.70 = 2,197.80/x
  3. Step 3: Cross multiply
    6,880.49x = 10,315.70 × 2,197.80
  4. Step 4: Simplify right side
    6,880.49x = 22,671,845.46
  5. Step 5: Solve for x
    x = 22,671,845.46/6,880.49
  6. Step 6: Final answer
    x = 3,295.09

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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.