Home / 8,146.93-11,242.79-4,420.93

Finding the Fourth Proportional to 8,146.93, 11,242.79 and 4,420.93

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Solution

The fourth proportional to 8,146.93, 11,242.79 and 4,420.93 is: 6,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.93 : 11,242.79 = 4,420.93 : x
  2. Step 2: Convert to fraction form
    8,146.93/11,242.79 = 4,420.93/x
  3. Step 3: Cross multiply
    8,146.93x = 11,242.79 × 4,420.93
  4. Step 4: Simplify right side
    8,146.93x = 49,703,587.59
  5. Step 5: Solve for x
    x = 49,703,587.59/8,146.93
  6. Step 6: Final answer
    x = 6,100.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.