Home / 5,539.15-7,643.59-3,180.84

Finding the Fourth Proportional to 5,539.15, 7,643.59 and 3,180.84

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Solution

The fourth proportional to 5,539.15, 7,643.59 and 3,180.84 is: 4,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.15 : 7,643.59 = 3,180.84 : x
  2. Step 2: Convert to fraction form
    5,539.15/7,643.59 = 3,180.84/x
  3. Step 3: Cross multiply
    5,539.15x = 7,643.59 × 3,180.84
  4. Step 4: Simplify right side
    5,539.15x = 24,313,036.82
  5. Step 5: Solve for x
    x = 24,313,036.82/5,539.15
  6. Step 6: Final answer
    x = 4,389.31

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1.5x scale

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.