Home / 4,646.21-6,972.41-1,724.81

Finding the Fourth Proportional to 4,646.21, 6,972.41 and 1,724.81

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Solution

The fourth proportional to 4,646.21, 6,972.41 and 1,724.81 is: 2,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,646.21 : 6,972.41 = 1,724.81 : x
  2. Step 2: Convert to fraction form
    4,646.21/6,972.41 = 1,724.81/x
  3. Step 3: Cross multiply
    4,646.21x = 6,972.41 × 1,724.81
  4. Step 4: Simplify right side
    4,646.21x = 12,026,051.94
  5. Step 5: Solve for x
    x = 12,026,051.94/4,646.21
  6. Step 6: Final answer
    x = 2,588.36

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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.