Home / 7,078.93-10,618.38-1,884.81

Finding the Fourth Proportional to 7,078.93, 10,618.38 and 1,884.81

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Solution

The fourth proportional to 7,078.93, 10,618.38 and 1,884.81 is: 2,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.93 : 10,618.38 = 1,884.81 : x
  2. Step 2: Convert to fraction form
    7,078.93/10,618.38 = 1,884.81/x
  3. Step 3: Cross multiply
    7,078.93x = 10,618.38 × 1,884.81
  4. Step 4: Simplify right side
    7,078.93x = 20,013,628.81
  5. Step 5: Solve for x
    x = 20,013,628.81/7,078.93
  6. Step 6: Final answer
    x = 2,827.21

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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.