Home / 6,539.12-9,809.16-2,643.44

Finding the Fourth Proportional to 6,539.12, 9,809.16 and 2,643.44

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Solution

The fourth proportional to 6,539.12, 9,809.16 and 2,643.44 is: 3,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.12 : 9,809.16 = 2,643.44 : x
  2. Step 2: Convert to fraction form
    6,539.12/9,809.16 = 2,643.44/x
  3. Step 3: Cross multiply
    6,539.12x = 9,809.16 × 2,643.44
  4. Step 4: Simplify right side
    6,539.12x = 25,929,925.91
  5. Step 5: Solve for x
    x = 25,929,925.91/6,539.12
  6. Step 6: Final answer
    x = 3,965.35

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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.