Home / 6,861.35-9,467.82-4,871.18

Finding the Fourth Proportional to 6,861.35, 9,467.82 and 4,871.18

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Solution

The fourth proportional to 6,861.35, 9,467.82 and 4,871.18 is: 6,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.35 : 9,467.82 = 4,871.18 : x
  2. Step 2: Convert to fraction form
    6,861.35/9,467.82 = 4,871.18/x
  3. Step 3: Cross multiply
    6,861.35x = 9,467.82 × 4,871.18
  4. Step 4: Simplify right side
    6,861.35x = 46,119,479.10
  5. Step 5: Solve for x
    x = 46,119,479.10/6,861.35
  6. Step 6: Final answer
    x = 6,721.63

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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.