Home / 4,620.79-6,930.37-1,334.35

Finding the Fourth Proportional to 4,620.79, 6,930.37 and 1,334.35

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Solution

The fourth proportional to 4,620.79, 6,930.37 and 1,334.35 is: 2,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.79 : 6,930.37 = 1,334.35 : x
  2. Step 2: Convert to fraction form
    4,620.79/6,930.37 = 1,334.35/x
  3. Step 3: Cross multiply
    4,620.79x = 6,930.37 × 1,334.35
  4. Step 4: Simplify right side
    4,620.79x = 9,247,539.21
  5. Step 5: Solve for x
    x = 9,247,539.21/4,620.79
  6. Step 6: Final answer
    x = 2,001.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.