Home / 7,430.80-11,150.52-3,051.40

Finding the Fourth Proportional to 7,430.80, 11,150.52 and 3,051.40

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Solution

The fourth proportional to 7,430.80, 11,150.52 and 3,051.40 is: 4,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.80 : 11,150.52 = 3,051.40 : x
  2. Step 2: Convert to fraction form
    7,430.80/11,150.52 = 3,051.40/x
  3. Step 3: Cross multiply
    7,430.80x = 11,150.52 × 3,051.40
  4. Step 4: Simplify right side
    7,430.80x = 34,024,696.73
  5. Step 5: Solve for x
    x = 34,024,696.73/7,430.80
  6. Step 6: Final answer
    x = 4,578.87

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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.