Home / 7,985.41-11,019.88-4,449.32

Finding the Fourth Proportional to 7,985.41, 11,019.88 and 4,449.32

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Solution

The fourth proportional to 7,985.41, 11,019.88 and 4,449.32 is: 6,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.41 : 11,019.88 = 4,449.32 : x
  2. Step 2: Convert to fraction form
    7,985.41/11,019.88 = 4,449.32/x
  3. Step 3: Cross multiply
    7,985.41x = 11,019.88 × 4,449.32
  4. Step 4: Simplify right side
    7,985.41x = 49,030,972.48
  5. Step 5: Solve for x
    x = 49,030,972.48/7,985.41
  6. Step 6: Final answer
    x = 6,140.07

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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.