Home / 6,112.16-8,419.70-5,212.98

Finding the Fourth Proportional to 6,112.16, 8,419.70 and 5,212.98

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Solution

The fourth proportional to 6,112.16, 8,419.70 and 5,212.98 is: 7,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.16 : 8,419.70 = 5,212.98 : x
  2. Step 2: Convert to fraction form
    6,112.16/8,419.70 = 5,212.98/x
  3. Step 3: Cross multiply
    6,112.16x = 8,419.70 × 5,212.98
  4. Step 4: Simplify right side
    6,112.16x = 43,891,727.71
  5. Step 5: Solve for x
    x = 43,891,727.71/6,112.16
  6. Step 6: Final answer
    x = 7,181.05

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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.