Home / 6,784.07-10,109.48-6,561.09

Finding the Fourth Proportional to 6,784.07, 10,109.48 and 6,561.09

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Solution

The fourth proportional to 6,784.07, 10,109.48 and 6,561.09 is: 9,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.07 : 10,109.48 = 6,561.09 : x
  2. Step 2: Convert to fraction form
    6,784.07/10,109.48 = 6,561.09/x
  3. Step 3: Cross multiply
    6,784.07x = 10,109.48 × 6,561.09
  4. Step 4: Simplify right side
    6,784.07x = 66,329,175.33
  5. Step 5: Solve for x
    x = 66,329,175.33/6,784.07
  6. Step 6: Final answer
    x = 9,777.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.