Home / 4,679.67-6,457.85-3,084.39

Finding the Fourth Proportional to 4,679.67, 6,457.85 and 3,084.39

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Solution

The fourth proportional to 4,679.67, 6,457.85 and 3,084.39 is: 4,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.67 : 6,457.85 = 3,084.39 : x
  2. Step 2: Convert to fraction form
    4,679.67/6,457.85 = 3,084.39/x
  3. Step 3: Cross multiply
    4,679.67x = 6,457.85 × 3,084.39
  4. Step 4: Simplify right side
    4,679.67x = 19,918,512.54
  5. Step 5: Solve for x
    x = 19,918,512.54/4,679.67
  6. Step 6: Final answer
    x = 4,256.39

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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.