Home / 4,138.45-6,206.83-1,216.06

Finding the Fourth Proportional to 4,138.45, 6,206.83 and 1,216.06

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Solution

The fourth proportional to 4,138.45, 6,206.83 and 1,216.06 is: 1,823.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.45 : 6,206.83 = 1,216.06 : x
  2. Step 2: Convert to fraction form
    4,138.45/6,206.83 = 1,216.06/x
  3. Step 3: Cross multiply
    4,138.45x = 6,206.83 × 1,216.06
  4. Step 4: Simplify right side
    4,138.45x = 7,547,877.69
  5. Step 5: Solve for x
    x = 7,547,877.69/4,138.45
  6. Step 6: Final answer
    x = 1,823.84

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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.