Home / 6,880.80-9,495.40-3,736.96

Finding the Fourth Proportional to 6,880.80, 9,495.40 and 3,736.96

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Solution

The fourth proportional to 6,880.80, 9,495.40 and 3,736.96 is: 5,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.80 : 9,495.40 = 3,736.96 : x
  2. Step 2: Convert to fraction form
    6,880.80/9,495.40 = 3,736.96/x
  3. Step 3: Cross multiply
    6,880.80x = 9,495.40 × 3,736.96
  4. Step 4: Simplify right side
    6,880.80x = 35,483,929.98
  5. Step 5: Solve for x
    x = 35,483,929.98/6,880.80
  6. Step 6: Final answer
    x = 5,156.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.