Home / 4,708.43-7,063.73-1,421.55

Finding the Fourth Proportional to 4,708.43, 7,063.73 and 1,421.55

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Solution

The fourth proportional to 4,708.43, 7,063.73 and 1,421.55 is: 2,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.43 : 7,063.73 = 1,421.55 : x
  2. Step 2: Convert to fraction form
    4,708.43/7,063.73 = 1,421.55/x
  3. Step 3: Cross multiply
    4,708.43x = 7,063.73 × 1,421.55
  4. Step 4: Simplify right side
    4,708.43x = 10,041,445.38
  5. Step 5: Solve for x
    x = 10,041,445.38/4,708.43
  6. Step 6: Final answer
    x = 2,132.65

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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.