Home / 7,116.75-10,675.53-2,957.13

Finding the Fourth Proportional to 7,116.75, 10,675.53 and 2,957.13

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Solution

The fourth proportional to 7,116.75, 10,675.53 and 2,957.13 is: 4,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.75 : 10,675.53 = 2,957.13 : x
  2. Step 2: Convert to fraction form
    7,116.75/10,675.53 = 2,957.13/x
  3. Step 3: Cross multiply
    7,116.75x = 10,675.53 × 2,957.13
  4. Step 4: Simplify right side
    7,116.75x = 31,568,930.03
  5. Step 5: Solve for x
    x = 31,568,930.03/7,116.75
  6. Step 6: Final answer
    x = 4,435.86

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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.