Home / 4,318.94-6,478.34-1,397.48

Finding the Fourth Proportional to 4,318.94, 6,478.34 and 1,397.48

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Solution

The fourth proportional to 4,318.94, 6,478.34 and 1,397.48 is: 2,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.94 : 6,478.34 = 1,397.48 : x
  2. Step 2: Convert to fraction form
    4,318.94/6,478.34 = 1,397.48/x
  3. Step 3: Cross multiply
    4,318.94x = 6,478.34 × 1,397.48
  4. Step 4: Simplify right side
    4,318.94x = 9,053,311.20
  5. Step 5: Solve for x
    x = 9,053,311.20/4,318.94
  6. Step 6: Final answer
    x = 2,096.19

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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.