Home / 4,113.36-6,170-1,191.68

Finding the Fourth Proportional to 4,113.36, 6,170 and 1,191.68

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Solution

The fourth proportional to 4,113.36, 6,170 and 1,191.68 is: 1,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.36 : 6,170 = 1,191.68 : x
  2. Step 2: Convert to fraction form
    4,113.36/6,170 = 1,191.68/x
  3. Step 3: Cross multiply
    4,113.36x = 6,170 × 1,191.68
  4. Step 4: Simplify right side
    4,113.36x = 7,352,665.60
  5. Step 5: Solve for x
    x = 7,352,665.60/4,113.36
  6. Step 6: Final answer
    x = 1,787.51

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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.