Home / 8,288.44-12,430.86-2,740.48

Finding the Fourth Proportional to 8,288.44, 12,430.86 and 2,740.48

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Solution

The fourth proportional to 8,288.44, 12,430.86 and 2,740.48 is: 4,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.44 : 12,430.86 = 2,740.48 : x
  2. Step 2: Convert to fraction form
    8,288.44/12,430.86 = 2,740.48/x
  3. Step 3: Cross multiply
    8,288.44x = 12,430.86 × 2,740.48
  4. Step 4: Simplify right side
    8,288.44x = 34,066,523.21
  5. Step 5: Solve for x
    x = 34,066,523.21/8,288.44
  6. Step 6: Final answer
    x = 4,110.12

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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.