Home / 8,071.32-12,101.64-3,903.12

Finding the Fourth Proportional to 8,071.32, 12,101.64 and 3,903.12

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Solution

The fourth proportional to 8,071.32, 12,101.64 and 3,903.12 is: 5,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.32 : 12,101.64 = 3,903.12 : x
  2. Step 2: Convert to fraction form
    8,071.32/12,101.64 = 3,903.12/x
  3. Step 3: Cross multiply
    8,071.32x = 12,101.64 × 3,903.12
  4. Step 4: Simplify right side
    8,071.32x = 47,234,153.12
  5. Step 5: Solve for x
    x = 47,234,153.12/8,071.32
  6. Step 6: Final answer
    x = 5,852.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.