Home / 4,284.65-6,423.77-1,817.90

Finding the Fourth Proportional to 4,284.65, 6,423.77 and 1,817.90

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Solution

The fourth proportional to 4,284.65, 6,423.77 and 1,817.90 is: 2,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.65 : 6,423.77 = 1,817.90 : x
  2. Step 2: Convert to fraction form
    4,284.65/6,423.77 = 1,817.90/x
  3. Step 3: Cross multiply
    4,284.65x = 6,423.77 × 1,817.90
  4. Step 4: Simplify right side
    4,284.65x = 11,677,730.27
  5. Step 5: Solve for x
    x = 11,677,730.27/4,284.65
  6. Step 6: Final answer
    x = 2,725.48

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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.