Home / 4,718.26-7,077.84-1,430.79

Finding the Fourth Proportional to 4,718.26, 7,077.84 and 1,430.79

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Solution

The fourth proportional to 4,718.26, 7,077.84 and 1,430.79 is: 2,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.26 : 7,077.84 = 1,430.79 : x
  2. Step 2: Convert to fraction form
    4,718.26/7,077.84 = 1,430.79/x
  3. Step 3: Cross multiply
    4,718.26x = 7,077.84 × 1,430.79
  4. Step 4: Simplify right side
    4,718.26x = 10,126,902.69
  5. Step 5: Solve for x
    x = 10,126,902.69/4,718.26
  6. Step 6: Final answer
    x = 2,146.32

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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.