Home / 4,120.51-6,170.05-3,460.87

Finding the Fourth Proportional to 4,120.51, 6,170.05 and 3,460.87

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Solution

The fourth proportional to 4,120.51, 6,170.05 and 3,460.87 is: 5,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.51 : 6,170.05 = 3,460.87 : x
  2. Step 2: Convert to fraction form
    4,120.51/6,170.05 = 3,460.87/x
  3. Step 3: Cross multiply
    4,120.51x = 6,170.05 × 3,460.87
  4. Step 4: Simplify right side
    4,120.51x = 21,353,740.94
  5. Step 5: Solve for x
    x = 21,353,740.94/4,120.51
  6. Step 6: Final answer
    x = 5,182.31

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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.