Home / 6,216.82-8,570.42-4,445.35

Finding the Fourth Proportional to 6,216.82, 8,570.42 and 4,445.35

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Solution

The fourth proportional to 6,216.82, 8,570.42 and 4,445.35 is: 6,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.82 : 8,570.42 = 4,445.35 : x
  2. Step 2: Convert to fraction form
    6,216.82/8,570.42 = 4,445.35/x
  3. Step 3: Cross multiply
    6,216.82x = 8,570.42 × 4,445.35
  4. Step 4: Simplify right side
    6,216.82x = 38,098,514.57
  5. Step 5: Solve for x
    x = 38,098,514.57/6,216.82
  6. Step 6: Final answer
    x = 6,128.30

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Half scale
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Double 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.