Home / 4,814.47-6,643.89-2,690.03

Finding the Fourth Proportional to 4,814.47, 6,643.89 and 2,690.03

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Solution

The fourth proportional to 4,814.47, 6,643.89 and 2,690.03 is: 3,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.47 : 6,643.89 = 2,690.03 : x
  2. Step 2: Convert to fraction form
    4,814.47/6,643.89 = 2,690.03/x
  3. Step 3: Cross multiply
    4,814.47x = 6,643.89 × 2,690.03
  4. Step 4: Simplify right side
    4,814.47x = 17,872,230.20
  5. Step 5: Solve for x
    x = 17,872,230.20/4,814.47
  6. Step 6: Final answer
    x = 3,712.19

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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.