Home / 4,740.66-7,110.96-1,230.66

Finding the Fourth Proportional to 4,740.66, 7,110.96 and 1,230.66

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Solution

The fourth proportional to 4,740.66, 7,110.96 and 1,230.66 is: 1,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.66 : 7,110.96 = 1,230.66 : x
  2. Step 2: Convert to fraction form
    4,740.66/7,110.96 = 1,230.66/x
  3. Step 3: Cross multiply
    4,740.66x = 7,110.96 × 1,230.66
  4. Step 4: Simplify right side
    4,740.66x = 8,751,174.03
  5. Step 5: Solve for x
    x = 8,751,174.03/4,740.66
  6. Step 6: Final answer
    x = 1,845.98

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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.