Home / 7,967.09-11,950.63-2,420.46

Finding the Fourth Proportional to 7,967.09, 11,950.63 and 2,420.46

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Solution

The fourth proportional to 7,967.09, 11,950.63 and 2,420.46 is: 3,630.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.09 : 11,950.63 = 2,420.46 : x
  2. Step 2: Convert to fraction form
    7,967.09/11,950.63 = 2,420.46/x
  3. Step 3: Cross multiply
    7,967.09x = 11,950.63 × 2,420.46
  4. Step 4: Simplify right side
    7,967.09x = 28,926,015.84
  5. Step 5: Solve for x
    x = 28,926,015.84/7,967.09
  6. Step 6: Final answer
    x = 3,630.69

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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.