Home / 4,708.01-7,063.29-1,421.21

Finding the Fourth Proportional to 4,708.01, 7,063.29 and 1,421.21

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Solution

The fourth proportional to 4,708.01, 7,063.29 and 1,421.21 is: 2,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.01 : 7,063.29 = 1,421.21 : x
  2. Step 2: Convert to fraction form
    4,708.01/7,063.29 = 1,421.21/x
  3. Step 3: Cross multiply
    4,708.01x = 7,063.29 × 1,421.21
  4. Step 4: Simplify right side
    4,708.01x = 10,038,436.04
  5. Step 5: Solve for x
    x = 10,038,436.04/4,708.01
  6. Step 6: Final answer
    x = 2,132.20

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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.