Home / 8,219.12-11,342.16-4,683.47

Finding the Fourth Proportional to 8,219.12, 11,342.16 and 4,683.47

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Solution

The fourth proportional to 8,219.12, 11,342.16 and 4,683.47 is: 6,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.12 : 11,342.16 = 4,683.47 : x
  2. Step 2: Convert to fraction form
    8,219.12/11,342.16 = 4,683.47/x
  3. Step 3: Cross multiply
    8,219.12x = 11,342.16 × 4,683.47
  4. Step 4: Simplify right side
    8,219.12x = 53,120,609.38
  5. Step 5: Solve for x
    x = 53,120,609.38/8,219.12
  6. Step 6: Final answer
    x = 6,463.06

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Half scale
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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.