Home / 4,751.06-7,127.60-1,419.57

Finding the Fourth Proportional to 4,751.06, 7,127.60 and 1,419.57

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Solution

The fourth proportional to 4,751.06, 7,127.60 and 1,419.57 is: 2,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.06 : 7,127.60 = 1,419.57 : x
  2. Step 2: Convert to fraction form
    4,751.06/7,127.60 = 1,419.57/x
  3. Step 3: Cross multiply
    4,751.06x = 7,127.60 × 1,419.57
  4. Step 4: Simplify right side
    4,751.06x = 10,118,132.01
  5. Step 5: Solve for x
    x = 10,118,132.01/4,751.06
  6. Step 6: Final answer
    x = 2,129.66

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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.