Home / 4,286.56-6,433.47-1,691.32

Finding the Fourth Proportional to 4,286.56, 6,433.47 and 1,691.32

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Solution

The fourth proportional to 4,286.56, 6,433.47 and 1,691.32 is: 2,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.56 : 6,433.47 = 1,691.32 : x
  2. Step 2: Convert to fraction form
    4,286.56/6,433.47 = 1,691.32/x
  3. Step 3: Cross multiply
    4,286.56x = 6,433.47 × 1,691.32
  4. Step 4: Simplify right side
    4,286.56x = 10,881,056.48
  5. Step 5: Solve for x
    x = 10,881,056.48/4,286.56
  6. Step 6: Final answer
    x = 2,538.41

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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.