Home / 4,664.52-6,439.95-2,986.65

Finding the Fourth Proportional to 4,664.52, 6,439.95 and 2,986.65

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Solution

The fourth proportional to 4,664.52, 6,439.95 and 2,986.65 is: 4,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.52 : 6,439.95 = 2,986.65 : x
  2. Step 2: Convert to fraction form
    4,664.52/6,439.95 = 2,986.65/x
  3. Step 3: Cross multiply
    4,664.52x = 6,439.95 × 2,986.65
  4. Step 4: Simplify right side
    4,664.52x = 19,233,876.67
  5. Step 5: Solve for x
    x = 19,233,876.67/4,664.52
  6. Step 6: Final answer
    x = 4,123.44

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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.