Home / 4,784.40-7,175.18-1,664.28

Finding the Fourth Proportional to 4,784.40, 7,175.18 and 1,664.28

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Solution

The fourth proportional to 4,784.40, 7,175.18 and 1,664.28 is: 2,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.40 : 7,175.18 = 1,664.28 : x
  2. Step 2: Convert to fraction form
    4,784.40/7,175.18 = 1,664.28/x
  3. Step 3: Cross multiply
    4,784.40x = 7,175.18 × 1,664.28
  4. Step 4: Simplify right side
    4,784.40x = 11,941,512.73
  5. Step 5: Solve for x
    x = 11,941,512.73/4,784.40
  6. Step 6: Final answer
    x = 2,495.93

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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.