Home / 4,542.47-6,813.67-1,422.51

Finding the Fourth Proportional to 4,542.47, 6,813.67 and 1,422.51

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Solution

The fourth proportional to 4,542.47, 6,813.67 and 1,422.51 is: 2,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.47 : 6,813.67 = 1,422.51 : x
  2. Step 2: Convert to fraction form
    4,542.47/6,813.67 = 1,422.51/x
  3. Step 3: Cross multiply
    4,542.47x = 6,813.67 × 1,422.51
  4. Step 4: Simplify right side
    4,542.47x = 9,692,506.60
  5. Step 5: Solve for x
    x = 9,692,506.60/4,542.47
  6. Step 6: Final answer
    x = 2,133.75

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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.