Home / 7,961.21-10,983.26-4,811.93

Finding the Fourth Proportional to 7,961.21, 10,983.26 and 4,811.93

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Solution

The fourth proportional to 7,961.21, 10,983.26 and 4,811.93 is: 6,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.21 : 10,983.26 = 4,811.93 : x
  2. Step 2: Convert to fraction form
    7,961.21/10,983.26 = 4,811.93/x
  3. Step 3: Cross multiply
    7,961.21x = 10,983.26 × 4,811.93
  4. Step 4: Simplify right side
    7,961.21x = 52,850,678.29
  5. Step 5: Solve for x
    x = 52,850,678.29/7,961.21
  6. Step 6: Final answer
    x = 6,638.52

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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.