Home / 8,021.61-11,071.77-4,880.43

Finding the Fourth Proportional to 8,021.61, 11,071.77 and 4,880.43

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Solution

The fourth proportional to 8,021.61, 11,071.77 and 4,880.43 is: 6,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.61 : 11,071.77 = 4,880.43 : x
  2. Step 2: Convert to fraction form
    8,021.61/11,071.77 = 4,880.43/x
  3. Step 3: Cross multiply
    8,021.61x = 11,071.77 × 4,880.43
  4. Step 4: Simplify right side
    8,021.61x = 54,034,998.46
  5. Step 5: Solve for x
    x = 54,034,998.46/8,021.61
  6. Step 6: Final answer
    x = 6,736.18

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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.