Home / 4,935.81-7,402.92-1,815.05

Finding the Fourth Proportional to 4,935.81, 7,402.92 and 1,815.05

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Solution

The fourth proportional to 4,935.81, 7,402.92 and 1,815.05 is: 2,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.81 : 7,402.92 = 1,815.05 : x
  2. Step 2: Convert to fraction form
    4,935.81/7,402.92 = 1,815.05/x
  3. Step 3: Cross multiply
    4,935.81x = 7,402.92 × 1,815.05
  4. Step 4: Simplify right side
    4,935.81x = 13,436,632.93
  5. Step 5: Solve for x
    x = 13,436,632.93/4,935.81
  6. Step 6: Final answer
    x = 2,722.28

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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.