Home / 4,636.36-6,949.68-1,712.80

Finding the Fourth Proportional to 4,636.36, 6,949.68 and 1,712.80

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Solution

The fourth proportional to 4,636.36, 6,949.68 and 1,712.80 is: 2,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.36 : 6,949.68 = 1,712.80 : x
  2. Step 2: Convert to fraction form
    4,636.36/6,949.68 = 1,712.80/x
  3. Step 3: Cross multiply
    4,636.36x = 6,949.68 × 1,712.80
  4. Step 4: Simplify right side
    4,636.36x = 11,903,411.90
  5. Step 5: Solve for x
    x = 11,903,411.90/4,636.36
  6. Step 6: Final answer
    x = 2,567.40

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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.