Home / 4,113.30-6,170.86-1,191.36

Finding the Fourth Proportional to 4,113.30, 6,170.86 and 1,191.36

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Solution

The fourth proportional to 4,113.30, 6,170.86 and 1,191.36 is: 1,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.30 : 6,170.86 = 1,191.36 : x
  2. Step 2: Convert to fraction form
    4,113.30/6,170.86 = 1,191.36/x
  3. Step 3: Cross multiply
    4,113.30x = 6,170.86 × 1,191.36
  4. Step 4: Simplify right side
    4,113.30x = 7,351,715.77
  5. Step 5: Solve for x
    x = 7,351,715.77/4,113.30
  6. Step 6: Final answer
    x = 1,787.30

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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.