Home / 4,708.56-7,063.50-1,421.28

Finding the Fourth Proportional to 4,708.56, 7,063.50 and 1,421.28

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Solution

The fourth proportional to 4,708.56, 7,063.50 and 1,421.28 is: 2,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.56 : 7,063.50 = 1,421.28 : x
  2. Step 2: Convert to fraction form
    4,708.56/7,063.50 = 1,421.28/x
  3. Step 3: Cross multiply
    4,708.56x = 7,063.50 × 1,421.28
  4. Step 4: Simplify right side
    4,708.56x = 10,039,211.28
  5. Step 5: Solve for x
    x = 10,039,211.28/4,708.56
  6. Step 6: Final answer
    x = 2,132.12

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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.