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Finding the Fourth Proportional to 6,342.05, 8,751.35 and 3,509.35

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Solution

The fourth proportional to 6,342.05, 8,751.35 and 3,509.35 is: 4,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.05 : 8,751.35 = 3,509.35 : x
  2. Step 2: Convert to fraction form
    6,342.05/8,751.35 = 3,509.35/x
  3. Step 3: Cross multiply
    6,342.05x = 8,751.35 × 3,509.35
  4. Step 4: Simplify right side
    6,342.05x = 30,711,550.12
  5. Step 5: Solve for x
    x = 30,711,550.12/6,342.05
  6. Step 6: Final answer
    x = 4,842.53

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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.