Home / 4,643-6,961.80-2,451.20

Finding the Fourth Proportional to 4,643, 6,961.80 and 2,451.20

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Solution

The fourth proportional to 4,643, 6,961.80 and 2,451.20 is: 3,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643 : 6,961.80 = 2,451.20 : x
  2. Step 2: Convert to fraction form
    4,643/6,961.80 = 2,451.20/x
  3. Step 3: Cross multiply
    4,643x = 6,961.80 × 2,451.20
  4. Step 4: Simplify right side
    4,643x = 17,064,764.16
  5. Step 5: Solve for x
    x = 17,064,764.16/4,643
  6. Step 6: Final answer
    x = 3,675.37

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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.