Home / 6,201.12-8,559.60-4,218.24

Finding the Fourth Proportional to 6,201.12, 8,559.60 and 4,218.24

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Solution

The fourth proportional to 6,201.12, 8,559.60 and 4,218.24 is: 5,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.12 : 8,559.60 = 4,218.24 : x
  2. Step 2: Convert to fraction form
    6,201.12/8,559.60 = 4,218.24/x
  3. Step 3: Cross multiply
    6,201.12x = 8,559.60 × 4,218.24
  4. Step 4: Simplify right side
    6,201.12x = 36,106,447.10
  5. Step 5: Solve for x
    x = 36,106,447.10/6,201.12
  6. Step 6: Final answer
    x = 5,822.57

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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.