Home / 6,642.09-9,161.37-4,370.68

Finding the Fourth Proportional to 6,642.09, 9,161.37 and 4,370.68

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Solution

The fourth proportional to 6,642.09, 9,161.37 and 4,370.68 is: 6,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.09 : 9,161.37 = 4,370.68 : x
  2. Step 2: Convert to fraction form
    6,642.09/9,161.37 = 4,370.68/x
  3. Step 3: Cross multiply
    6,642.09x = 9,161.37 × 4,370.68
  4. Step 4: Simplify right side
    6,642.09x = 40,041,416.63
  5. Step 5: Solve for x
    x = 40,041,416.63/6,642.09
  6. Step 6: Final answer
    x = 6,028.44

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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.