Home / 4,311.32-6,466.85-1,191.51

Finding the Fourth Proportional to 4,311.32, 6,466.85 and 1,191.51

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Solution

The fourth proportional to 4,311.32, 6,466.85 and 1,191.51 is: 1,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.32 : 6,466.85 = 1,191.51 : x
  2. Step 2: Convert to fraction form
    4,311.32/6,466.85 = 1,191.51/x
  3. Step 3: Cross multiply
    4,311.32x = 6,466.85 × 1,191.51
  4. Step 4: Simplify right side
    4,311.32x = 7,705,339.20
  5. Step 5: Solve for x
    x = 7,705,339.20/4,311.32
  6. Step 6: Final answer
    x = 1,787.23

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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.