Home / 6,880.40-10,316.72-2,199.32

Finding the Fourth Proportional to 6,880.40, 10,316.72 and 2,199.32

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Solution

The fourth proportional to 6,880.40, 10,316.72 and 2,199.32 is: 3,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.40 : 10,316.72 = 2,199.32 : x
  2. Step 2: Convert to fraction form
    6,880.40/10,316.72 = 2,199.32/x
  3. Step 3: Cross multiply
    6,880.40x = 10,316.72 × 2,199.32
  4. Step 4: Simplify right side
    6,880.40x = 22,689,768.63
  5. Step 5: Solve for x
    x = 22,689,768.63/6,880.40
  6. Step 6: Final answer
    x = 3,297.74

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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.