Home / 6,161.63-8,503.40-3,803.81

Finding the Fourth Proportional to 6,161.63, 8,503.40 and 3,803.81

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Solution

The fourth proportional to 6,161.63, 8,503.40 and 3,803.81 is: 5,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.63 : 8,503.40 = 3,803.81 : x
  2. Step 2: Convert to fraction form
    6,161.63/8,503.40 = 3,803.81/x
  3. Step 3: Cross multiply
    6,161.63x = 8,503.40 × 3,803.81
  4. Step 4: Simplify right side
    6,161.63x = 32,345,317.95
  5. Step 5: Solve for x
    x = 32,345,317.95/6,161.63
  6. Step 6: Final answer
    x = 5,249.47

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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.