Home / 6,438.84-9,656.64-2,054.04

Finding the Fourth Proportional to 6,438.84, 9,656.64 and 2,054.04

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Solution

The fourth proportional to 6,438.84, 9,656.64 and 2,054.04 is: 3,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.84 : 9,656.64 = 2,054.04 : x
  2. Step 2: Convert to fraction form
    6,438.84/9,656.64 = 2,054.04/x
  3. Step 3: Cross multiply
    6,438.84x = 9,656.64 × 2,054.04
  4. Step 4: Simplify right side
    6,438.84x = 19,835,124.83
  5. Step 5: Solve for x
    x = 19,835,124.83/6,438.84
  6. Step 6: Final answer
    x = 3,080.54

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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.