Home / 6,220.89-8,586.09-3,570.12

Finding the Fourth Proportional to 6,220.89, 8,586.09 and 3,570.12

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Solution

The fourth proportional to 6,220.89, 8,586.09 and 3,570.12 is: 4,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.89 : 8,586.09 = 3,570.12 : x
  2. Step 2: Convert to fraction form
    6,220.89/8,586.09 = 3,570.12/x
  3. Step 3: Cross multiply
    6,220.89x = 8,586.09 × 3,570.12
  4. Step 4: Simplify right side
    6,220.89x = 30,653,371.63
  5. Step 5: Solve for x
    x = 30,653,371.63/6,220.89
  6. Step 6: Final answer
    x = 4,927.49

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Half scale
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Double scale
Find fourth proportional to 6,221.89, 8,587.47 and 3,571.12
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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.