Home / 6,418.37-8,861.60-4,296.63

Finding the Fourth Proportional to 6,418.37, 8,861.60 and 4,296.63

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Solution

The fourth proportional to 6,418.37, 8,861.60 and 4,296.63 is: 5,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.37 : 8,861.60 = 4,296.63 : x
  2. Step 2: Convert to fraction form
    6,418.37/8,861.60 = 4,296.63/x
  3. Step 3: Cross multiply
    6,418.37x = 8,861.60 × 4,296.63
  4. Step 4: Simplify right side
    6,418.37x = 38,074,994.92
  5. Step 5: Solve for x
    x = 38,074,994.92/6,418.37
  6. Step 6: Final answer
    x = 5,932.20

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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.