Home / 4,295.36-6,439.33-1,921.62

Finding the Fourth Proportional to 4,295.36, 6,439.33 and 1,921.62

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Solution

The fourth proportional to 4,295.36, 6,439.33 and 1,921.62 is: 2,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,295.36 : 6,439.33 = 1,921.62 : x
  2. Step 2: Convert to fraction form
    4,295.36/6,439.33 = 1,921.62/x
  3. Step 3: Cross multiply
    4,295.36x = 6,439.33 × 1,921.62
  4. Step 4: Simplify right side
    4,295.36x = 12,373,971.86
  5. Step 5: Solve for x
    x = 12,373,971.86/4,295.36
  6. Step 6: Final answer
    x = 2,880.77

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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.