Home / 6,128.25-8,457.05-3,333.81

Finding the Fourth Proportional to 6,128.25, 8,457.05 and 3,333.81

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Solution

The fourth proportional to 6,128.25, 8,457.05 and 3,333.81 is: 4,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.25 : 8,457.05 = 3,333.81 : x
  2. Step 2: Convert to fraction form
    6,128.25/8,457.05 = 3,333.81/x
  3. Step 3: Cross multiply
    6,128.25x = 8,457.05 × 3,333.81
  4. Step 4: Simplify right side
    6,128.25x = 28,194,197.86
  5. Step 5: Solve for x
    x = 28,194,197.86/6,128.25
  6. Step 6: Final answer
    x = 4,600.69

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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.