Home / 4,905.37-7,358.07-1,207.60

Finding the Fourth Proportional to 4,905.37, 7,358.07 and 1,207.60

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Solution

The fourth proportional to 4,905.37, 7,358.07 and 1,207.60 is: 1,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.37 : 7,358.07 = 1,207.60 : x
  2. Step 2: Convert to fraction form
    4,905.37/7,358.07 = 1,207.60/x
  3. Step 3: Cross multiply
    4,905.37x = 7,358.07 × 1,207.60
  4. Step 4: Simplify right side
    4,905.37x = 8,885,605.33
  5. Step 5: Solve for x
    x = 8,885,605.33/4,905.37
  6. Step 6: Final answer
    x = 1,811.40

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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.