Home / 4,857.96-7,280.80-2,636.68

Finding the Fourth Proportional to 4,857.96, 7,280.80 and 2,636.68

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Solution

The fourth proportional to 4,857.96, 7,280.80 and 2,636.68 is: 3,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.96 : 7,280.80 = 2,636.68 : x
  2. Step 2: Convert to fraction form
    4,857.96/7,280.80 = 2,636.68/x
  3. Step 3: Cross multiply
    4,857.96x = 7,280.80 × 2,636.68
  4. Step 4: Simplify right side
    4,857.96x = 19,197,139.74
  5. Step 5: Solve for x
    x = 19,197,139.74/4,857.96
  6. Step 6: Final answer
    x = 3,951.69

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1.5x scale

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.