Home / 6,218.63-8,588.99-4,119.11

Finding the Fourth Proportional to 6,218.63, 8,588.99 and 4,119.11

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Solution

The fourth proportional to 6,218.63, 8,588.99 and 4,119.11 is: 5,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.63 : 8,588.99 = 4,119.11 : x
  2. Step 2: Convert to fraction form
    6,218.63/8,588.99 = 4,119.11/x
  3. Step 3: Cross multiply
    6,218.63x = 8,588.99 × 4,119.11
  4. Step 4: Simplify right side
    6,218.63x = 35,378,961.95
  5. Step 5: Solve for x
    x = 35,378,961.95/6,218.63
  6. Step 6: Final answer
    x = 5,689.19

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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.