Home / 5,539.36-7,643.28-3,412.84

Finding the Fourth Proportional to 5,539.36, 7,643.28 and 3,412.84

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Solution

The fourth proportional to 5,539.36, 7,643.28 and 3,412.84 is: 4,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.36 : 7,643.28 = 3,412.84 : x
  2. Step 2: Convert to fraction form
    5,539.36/7,643.28 = 3,412.84/x
  3. Step 3: Cross multiply
    5,539.36x = 7,643.28 × 3,412.84
  4. Step 4: Simplify right side
    5,539.36x = 26,085,291.72
  5. Step 5: Solve for x
    x = 26,085,291.72/5,539.36
  6. Step 6: Final answer
    x = 4,709.08

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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.