Home / 8,022.80-11,071.47-4,486.02

Finding the Fourth Proportional to 8,022.80, 11,071.47 and 4,486.02

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Solution

The fourth proportional to 8,022.80, 11,071.47 and 4,486.02 is: 6,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.80 : 11,071.47 = 4,486.02 : x
  2. Step 2: Convert to fraction form
    8,022.80/11,071.47 = 4,486.02/x
  3. Step 3: Cross multiply
    8,022.80x = 11,071.47 × 4,486.02
  4. Step 4: Simplify right side
    8,022.80x = 49,666,848.20
  5. Step 5: Solve for x
    x = 49,666,848.20/8,022.80
  6. Step 6: Final answer
    x = 6,190.71

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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.