Home / 7,084.35-10,626.48-1,890.23

Finding the Fourth Proportional to 7,084.35, 10,626.48 and 1,890.23

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Solution

The fourth proportional to 7,084.35, 10,626.48 and 1,890.23 is: 2,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.35 : 10,626.48 = 1,890.23 : x
  2. Step 2: Convert to fraction form
    7,084.35/10,626.48 = 1,890.23/x
  3. Step 3: Cross multiply
    7,084.35x = 10,626.48 × 1,890.23
  4. Step 4: Simplify right side
    7,084.35x = 20,086,438.16
  5. Step 5: Solve for x
    x = 20,086,438.16/7,084.35
  6. Step 6: Final answer
    x = 2,835.33

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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.