Home / 4,642.82-6,962.49-1,868.57

Finding the Fourth Proportional to 4,642.82, 6,962.49 and 1,868.57

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Solution

The fourth proportional to 4,642.82, 6,962.49 and 1,868.57 is: 2,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.82 : 6,962.49 = 1,868.57 : x
  2. Step 2: Convert to fraction form
    4,642.82/6,962.49 = 1,868.57/x
  3. Step 3: Cross multiply
    4,642.82x = 6,962.49 × 1,868.57
  4. Step 4: Simplify right side
    4,642.82x = 13,009,891.24
  5. Step 5: Solve for x
    x = 13,009,891.24/4,642.82
  6. Step 6: Final answer
    x = 2,802.15

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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.