Home / 6,085.70-9,128.55-2,187.62

Finding the Fourth Proportional to 6,085.70, 9,128.55 and 2,187.62

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Solution

The fourth proportional to 6,085.70, 9,128.55 and 2,187.62 is: 3,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.70 : 9,128.55 = 2,187.62 : x
  2. Step 2: Convert to fraction form
    6,085.70/9,128.55 = 2,187.62/x
  3. Step 3: Cross multiply
    6,085.70x = 9,128.55 × 2,187.62
  4. Step 4: Simplify right side
    6,085.70x = 19,969,798.55
  5. Step 5: Solve for x
    x = 19,969,798.55/6,085.70
  6. Step 6: Final answer
    x = 3,281.43

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Half scale
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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.