Home / 9,343.94-12,879.60-6,822.05

Finding the Fourth Proportional to 9,343.94, 12,879.60 and 6,822.05

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Solution

The fourth proportional to 9,343.94, 12,879.60 and 6,822.05 is: 9,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.94 : 12,879.60 = 6,822.05 : x
  2. Step 2: Convert to fraction form
    9,343.94/12,879.60 = 6,822.05/x
  3. Step 3: Cross multiply
    9,343.94x = 12,879.60 × 6,822.05
  4. Step 4: Simplify right side
    9,343.94x = 87,865,290.32
  5. Step 5: Solve for x
    x = 87,865,290.32/9,343.94
  6. Step 6: Final answer
    x = 9,403.45

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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.