Home / 6,810.32-10,165.78-5,842.64

Finding the Fourth Proportional to 6,810.32, 10,165.78 and 5,842.64

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Solution

The fourth proportional to 6,810.32, 10,165.78 and 5,842.64 is: 8,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.32 : 10,165.78 = 5,842.64 : x
  2. Step 2: Convert to fraction form
    6,810.32/10,165.78 = 5,842.64/x
  3. Step 3: Cross multiply
    6,810.32x = 10,165.78 × 5,842.64
  4. Step 4: Simplify right side
    6,810.32x = 59,394,992.86
  5. Step 5: Solve for x
    x = 59,394,992.86/6,810.32
  6. Step 6: Final answer
    x = 8,721.32

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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.