Home / 6,825.98-10,238.93-2,666.40

Finding the Fourth Proportional to 6,825.98, 10,238.93 and 2,666.40

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Solution

The fourth proportional to 6,825.98, 10,238.93 and 2,666.40 is: 3,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.98 : 10,238.93 = 2,666.40 : x
  2. Step 2: Convert to fraction form
    6,825.98/10,238.93 = 2,666.40/x
  3. Step 3: Cross multiply
    6,825.98x = 10,238.93 × 2,666.40
  4. Step 4: Simplify right side
    6,825.98x = 27,301,089.62
  5. Step 5: Solve for x
    x = 27,301,089.62/6,825.98
  6. Step 6: Final answer
    x = 3,999.59

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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.