Home / 4,968.16-7,452.56-1,680.80

Finding the Fourth Proportional to 4,968.16, 7,452.56 and 1,680.80

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Solution

The fourth proportional to 4,968.16, 7,452.56 and 1,680.80 is: 2,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.16 : 7,452.56 = 1,680.80 : x
  2. Step 2: Convert to fraction form
    4,968.16/7,452.56 = 1,680.80/x
  3. Step 3: Cross multiply
    4,968.16x = 7,452.56 × 1,680.80
  4. Step 4: Simplify right side
    4,968.16x = 12,526,262.85
  5. Step 5: Solve for x
    x = 12,526,262.85/4,968.16
  6. Step 6: Final answer
    x = 2,521.31

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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.