Home / 4,718.52-7,074.74-1,430.73

Finding the Fourth Proportional to 4,718.52, 7,074.74 and 1,430.73

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Solution

The fourth proportional to 4,718.52, 7,074.74 and 1,430.73 is: 2,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.52 : 7,074.74 = 1,430.73 : x
  2. Step 2: Convert to fraction form
    4,718.52/7,074.74 = 1,430.73/x
  3. Step 3: Cross multiply
    4,718.52x = 7,074.74 × 1,430.73
  4. Step 4: Simplify right side
    4,718.52x = 10,122,046.34
  5. Step 5: Solve for x
    x = 10,122,046.34/4,718.52
  6. Step 6: Final answer
    x = 2,145.17

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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.