Home / 8,922.12-12,313.20-4,943.60

Finding the Fourth Proportional to 8,922.12, 12,313.20 and 4,943.60

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Solution

The fourth proportional to 8,922.12, 12,313.20 and 4,943.60 is: 6,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.12 : 12,313.20 = 4,943.60 : x
  2. Step 2: Convert to fraction form
    8,922.12/12,313.20 = 4,943.60/x
  3. Step 3: Cross multiply
    8,922.12x = 12,313.20 × 4,943.60
  4. Step 4: Simplify right side
    8,922.12x = 60,871,535.52
  5. Step 5: Solve for x
    x = 60,871,535.52/8,922.12
  6. Step 6: Final answer
    x = 6,822.54

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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.