Home / 4,756.81-7,135.69-1,636.40

Finding the Fourth Proportional to 4,756.81, 7,135.69 and 1,636.40

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Solution

The fourth proportional to 4,756.81, 7,135.69 and 1,636.40 is: 2,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.81 : 7,135.69 = 1,636.40 : x
  2. Step 2: Convert to fraction form
    4,756.81/7,135.69 = 1,636.40/x
  3. Step 3: Cross multiply
    4,756.81x = 7,135.69 × 1,636.40
  4. Step 4: Simplify right side
    4,756.81x = 11,676,843.12
  5. Step 5: Solve for x
    x = 11,676,843.12/4,756.81
  6. Step 6: Final answer
    x = 2,454.76

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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.