Home / 4,825.80-7,239.70-1,539.14

Finding the Fourth Proportional to 4,825.80, 7,239.70 and 1,539.14

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Solution

The fourth proportional to 4,825.80, 7,239.70 and 1,539.14 is: 2,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.80 : 7,239.70 = 1,539.14 : x
  2. Step 2: Convert to fraction form
    4,825.80/7,239.70 = 1,539.14/x
  3. Step 3: Cross multiply
    4,825.80x = 7,239.70 × 1,539.14
  4. Step 4: Simplify right side
    4,825.80x = 11,142,911.86
  5. Step 5: Solve for x
    x = 11,142,911.86/4,825.80
  6. Step 6: Final answer
    x = 2,309.03

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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.