Home / 6,513.21-9,771.35-2,816.51

Finding the Fourth Proportional to 6,513.21, 9,771.35 and 2,816.51

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Solution

The fourth proportional to 6,513.21, 9,771.35 and 2,816.51 is: 4,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.21 : 9,771.35 = 2,816.51 : x
  2. Step 2: Convert to fraction form
    6,513.21/9,771.35 = 2,816.51/x
  3. Step 3: Cross multiply
    6,513.21x = 9,771.35 × 2,816.51
  4. Step 4: Simplify right side
    6,513.21x = 27,521,042.05
  5. Step 5: Solve for x
    x = 27,521,042.05/6,513.21
  6. Step 6: Final answer
    x = 4,225.42

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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.