Home / 4,739-6,539.40-2,643.08

Finding the Fourth Proportional to 4,739, 6,539.40 and 2,643.08

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Solution

The fourth proportional to 4,739, 6,539.40 and 2,643.08 is: 3,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739 : 6,539.40 = 2,643.08 : x
  2. Step 2: Convert to fraction form
    4,739/6,539.40 = 2,643.08/x
  3. Step 3: Cross multiply
    4,739x = 6,539.40 × 2,643.08
  4. Step 4: Simplify right side
    4,739x = 17,284,157.35
  5. Step 5: Solve for x
    x = 17,284,157.35/4,739
  6. Step 6: Final answer
    x = 3,647.22

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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.