Home / 4,784.13-7,178.02-1,664.48

Finding the Fourth Proportional to 4,784.13, 7,178.02 and 1,664.48

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Solution

The fourth proportional to 4,784.13, 7,178.02 and 1,664.48 is: 2,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.13 : 7,178.02 = 1,664.48 : x
  2. Step 2: Convert to fraction form
    4,784.13/7,178.02 = 1,664.48/x
  3. Step 3: Cross multiply
    4,784.13x = 7,178.02 × 1,664.48
  4. Step 4: Simplify right side
    4,784.13x = 11,947,684.51
  5. Step 5: Solve for x
    x = 11,947,684.51/4,784.13
  6. Step 6: Final answer
    x = 2,497.36

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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.