Home / 4,147.17-6,218.87-1,807.08

Finding the Fourth Proportional to 4,147.17, 6,218.87 and 1,807.08

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Solution

The fourth proportional to 4,147.17, 6,218.87 and 1,807.08 is: 2,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.17 : 6,218.87 = 1,807.08 : x
  2. Step 2: Convert to fraction form
    4,147.17/6,218.87 = 1,807.08/x
  3. Step 3: Cross multiply
    4,147.17x = 6,218.87 × 1,807.08
  4. Step 4: Simplify right side
    4,147.17x = 11,237,986.56
  5. Step 5: Solve for x
    x = 11,237,986.56/4,147.17
  6. Step 6: Final answer
    x = 2,709.80

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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.