Home / 5,078.23-7,007.92-2,953.80

Finding the Fourth Proportional to 5,078.23, 7,007.92 and 2,953.80

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Solution

The fourth proportional to 5,078.23, 7,007.92 and 2,953.80 is: 4,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.23 : 7,007.92 = 2,953.80 : x
  2. Step 2: Convert to fraction form
    5,078.23/7,007.92 = 2,953.80/x
  3. Step 3: Cross multiply
    5,078.23x = 7,007.92 × 2,953.80
  4. Step 4: Simplify right side
    5,078.23x = 20,699,986.71
  5. Step 5: Solve for x
    x = 20,699,986.71/5,078.23
  6. Step 6: Final answer
    x = 4,076.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.