Home / 7,043.90-9,721.50-4,059.86

Finding the Fourth Proportional to 7,043.90, 9,721.50 and 4,059.86

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Solution

The fourth proportional to 7,043.90, 9,721.50 and 4,059.86 is: 5,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.90 : 9,721.50 = 4,059.86 : x
  2. Step 2: Convert to fraction form
    7,043.90/9,721.50 = 4,059.86/x
  3. Step 3: Cross multiply
    7,043.90x = 9,721.50 × 4,059.86
  4. Step 4: Simplify right side
    7,043.90x = 39,467,928.99
  5. Step 5: Solve for x
    x = 39,467,928.99/7,043.90
  6. Step 6: Final answer
    x = 5,603.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.