Home / 4,549.55-6,815.14-3,140.51

Finding the Fourth Proportional to 4,549.55, 6,815.14 and 3,140.51

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Solution

The fourth proportional to 4,549.55, 6,815.14 and 3,140.51 is: 4,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.55 : 6,815.14 = 3,140.51 : x
  2. Step 2: Convert to fraction form
    4,549.55/6,815.14 = 3,140.51/x
  3. Step 3: Cross multiply
    4,549.55x = 6,815.14 × 3,140.51
  4. Step 4: Simplify right side
    4,549.55x = 21,402,973.39
  5. Step 5: Solve for x
    x = 21,402,973.39/4,549.55
  6. Step 6: Final answer
    x = 4,704.42

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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.