Home / 6,220-8,584.56-3,862.24

Finding the Fourth Proportional to 6,220, 8,584.56 and 3,862.24

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Solution

The fourth proportional to 6,220, 8,584.56 and 3,862.24 is: 5,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220 : 8,584.56 = 3,862.24 : x
  2. Step 2: Convert to fraction form
    6,220/8,584.56 = 3,862.24/x
  3. Step 3: Cross multiply
    6,220x = 8,584.56 × 3,862.24
  4. Step 4: Simplify right side
    6,220x = 33,155,631.01
  5. Step 5: Solve for x
    x = 33,155,631.01/6,220
  6. Step 6: Final answer
    x = 5,330.49

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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.