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Finding the Fourth Proportional to 7,539.46, 11,307.46 and 2,859.98

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Solution

The fourth proportional to 7,539.46, 11,307.46 and 2,859.98 is: 4,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.46 : 11,307.46 = 2,859.98 : x
  2. Step 2: Convert to fraction form
    7,539.46/11,307.46 = 2,859.98/x
  3. Step 3: Cross multiply
    7,539.46x = 11,307.46 × 2,859.98
  4. Step 4: Simplify right side
    7,539.46x = 32,339,109.45
  5. Step 5: Solve for x
    x = 32,339,109.45/7,539.46
  6. Step 6: Final answer
    x = 4,289.31

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1.5x scale

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.