Home / 7,513.57-11,270.04-1,891.23

Finding the Fourth Proportional to 7,513.57, 11,270.04 and 1,891.23

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Solution

The fourth proportional to 7,513.57, 11,270.04 and 1,891.23 is: 2,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.57 : 11,270.04 = 1,891.23 : x
  2. Step 2: Convert to fraction form
    7,513.57/11,270.04 = 1,891.23/x
  3. Step 3: Cross multiply
    7,513.57x = 11,270.04 × 1,891.23
  4. Step 4: Simplify right side
    7,513.57x = 21,314,237.75
  5. Step 5: Solve for x
    x = 21,314,237.75/7,513.57
  6. Step 6: Final answer
    x = 2,836.77

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Double scale
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Similar ratio
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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.