Home / 4,119.01-6,171.33-3,430.11

Finding the Fourth Proportional to 4,119.01, 6,171.33 and 3,430.11

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Solution

The fourth proportional to 4,119.01, 6,171.33 and 3,430.11 is: 5,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.01 : 6,171.33 = 3,430.11 : x
  2. Step 2: Convert to fraction form
    4,119.01/6,171.33 = 3,430.11/x
  3. Step 3: Cross multiply
    4,119.01x = 6,171.33 × 3,430.11
  4. Step 4: Simplify right side
    4,119.01x = 21,168,340.75
  5. Step 5: Solve for x
    x = 21,168,340.75/4,119.01
  6. Step 6: Final answer
    x = 5,139.18

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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.