Home / 4,286.56-6,430.60-1,475.28

Finding the Fourth Proportional to 4,286.56, 6,430.60 and 1,475.28

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Solution

The fourth proportional to 4,286.56, 6,430.60 and 1,475.28 is: 2,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.56 : 6,430.60 = 1,475.28 : x
  2. Step 2: Convert to fraction form
    4,286.56/6,430.60 = 1,475.28/x
  3. Step 3: Cross multiply
    4,286.56x = 6,430.60 × 1,475.28
  4. Step 4: Simplify right side
    4,286.56x = 9,486,935.57
  5. Step 5: Solve for x
    x = 9,486,935.57/4,286.56
  6. Step 6: Final answer
    x = 2,213.18

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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.