Home / 6,148.35-9,223.56-1,989.41

Finding the Fourth Proportional to 6,148.35, 9,223.56 and 1,989.41

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Solution

The fourth proportional to 6,148.35, 9,223.56 and 1,989.41 is: 2,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.35 : 9,223.56 = 1,989.41 : x
  2. Step 2: Convert to fraction form
    6,148.35/9,223.56 = 1,989.41/x
  3. Step 3: Cross multiply
    6,148.35x = 9,223.56 × 1,989.41
  4. Step 4: Simplify right side
    6,148.35x = 18,349,396.38
  5. Step 5: Solve for x
    x = 18,349,396.38/6,148.35
  6. Step 6: Final answer
    x = 2,984.44

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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.