Home / 4,219.15-6,328.71-1,141.15

Finding the Fourth Proportional to 4,219.15, 6,328.71 and 1,141.15

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Solution

The fourth proportional to 4,219.15, 6,328.71 and 1,141.15 is: 1,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.15 : 6,328.71 = 1,141.15 : x
  2. Step 2: Convert to fraction form
    4,219.15/6,328.71 = 1,141.15/x
  3. Step 3: Cross multiply
    4,219.15x = 6,328.71 × 1,141.15
  4. Step 4: Simplify right side
    4,219.15x = 7,222,007.42
  5. Step 5: Solve for x
    x = 7,222,007.42/4,219.15
  6. Step 6: Final answer
    x = 1,711.72

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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.