Home / 8,292.06-12,430.26-4,128.14

Finding the Fourth Proportional to 8,292.06, 12,430.26 and 4,128.14

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Solution

The fourth proportional to 8,292.06, 12,430.26 and 4,128.14 is: 6,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.06 : 12,430.26 = 4,128.14 : x
  2. Step 2: Convert to fraction form
    8,292.06/12,430.26 = 4,128.14/x
  3. Step 3: Cross multiply
    8,292.06x = 12,430.26 × 4,128.14
  4. Step 4: Simplify right side
    8,292.06x = 51,313,791.37
  5. Step 5: Solve for x
    x = 51,313,791.37/8,292.06
  6. Step 6: Final answer
    x = 6,188.30

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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.