Home / 6,880.48-10,312.38-3,175

Finding the Fourth Proportional to 6,880.48, 10,312.38 and 3,175

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Solution

The fourth proportional to 6,880.48, 10,312.38 and 3,175 is: 4,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.48 : 10,312.38 = 3,175 : x
  2. Step 2: Convert to fraction form
    6,880.48/10,312.38 = 3,175/x
  3. Step 3: Cross multiply
    6,880.48x = 10,312.38 × 3,175
  4. Step 4: Simplify right side
    6,880.48x = 32,741,806.50
  5. Step 5: Solve for x
    x = 32,741,806.50/6,880.48
  6. Step 6: Final answer
    x = 4,758.65

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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.