Home / 4,284.48-6,424.29-1,686

Finding the Fourth Proportional to 4,284.48, 6,424.29 and 1,686

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Solution

The fourth proportional to 4,284.48, 6,424.29 and 1,686 is: 2,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.48 : 6,424.29 = 1,686 : x
  2. Step 2: Convert to fraction form
    4,284.48/6,424.29 = 1,686/x
  3. Step 3: Cross multiply
    4,284.48x = 6,424.29 × 1,686
  4. Step 4: Simplify right side
    4,284.48x = 10,831,352.94
  5. Step 5: Solve for x
    x = 10,831,352.94/4,284.48
  6. Step 6: Final answer
    x = 2,528.04

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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.