Home / 4,643.52-6,963.62-1,681.20

Finding the Fourth Proportional to 4,643.52, 6,963.62 and 1,681.20

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Solution

The fourth proportional to 4,643.52, 6,963.62 and 1,681.20 is: 2,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.52 : 6,963.62 = 1,681.20 : x
  2. Step 2: Convert to fraction form
    4,643.52/6,963.62 = 1,681.20/x
  3. Step 3: Cross multiply
    4,643.52x = 6,963.62 × 1,681.20
  4. Step 4: Simplify right side
    4,643.52x = 11,707,237.94
  5. Step 5: Solve for x
    x = 11,707,237.94/4,643.52
  6. Step 6: Final answer
    x = 2,521.20

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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.