Home / 4,558.65-6,838.47-1,438.74

Finding the Fourth Proportional to 4,558.65, 6,838.47 and 1,438.74

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Solution

The fourth proportional to 4,558.65, 6,838.47 and 1,438.74 is: 2,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.65 : 6,838.47 = 1,438.74 : x
  2. Step 2: Convert to fraction form
    4,558.65/6,838.47 = 1,438.74/x
  3. Step 3: Cross multiply
    4,558.65x = 6,838.47 × 1,438.74
  4. Step 4: Simplify right side
    4,558.65x = 9,838,780.33
  5. Step 5: Solve for x
    x = 9,838,780.33/4,558.65
  6. Step 6: Final answer
    x = 2,158.27

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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.