Home / 4,708.79-7,063.23-1,421.91

Finding the Fourth Proportional to 4,708.79, 7,063.23 and 1,421.91

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Solution

The fourth proportional to 4,708.79, 7,063.23 and 1,421.91 is: 2,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.79 : 7,063.23 = 1,421.91 : x
  2. Step 2: Convert to fraction form
    4,708.79/7,063.23 = 1,421.91/x
  3. Step 3: Cross multiply
    4,708.79x = 7,063.23 × 1,421.91
  4. Step 4: Simplify right side
    4,708.79x = 10,043,277.37
  5. Step 5: Solve for x
    x = 10,043,277.37/4,708.79
  6. Step 6: Final answer
    x = 2,132.88

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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.