Home / 8,922.76-12,313.38-4,943.83

Finding the Fourth Proportional to 8,922.76, 12,313.38 and 4,943.83

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Solution

The fourth proportional to 8,922.76, 12,313.38 and 4,943.83 is: 6,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.76 : 12,313.38 = 4,943.83 : x
  2. Step 2: Convert to fraction form
    8,922.76/12,313.38 = 4,943.83/x
  3. Step 3: Cross multiply
    8,922.76x = 12,313.38 × 4,943.83
  4. Step 4: Simplify right side
    8,922.76x = 60,875,195.88
  5. Step 5: Solve for x
    x = 60,875,195.88/8,922.76
  6. Step 6: Final answer
    x = 6,822.47

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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.