Home / 6,220.28-8,585.70-4,234.16

Finding the Fourth Proportional to 6,220.28, 8,585.70 and 4,234.16

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Solution

The fourth proportional to 6,220.28, 8,585.70 and 4,234.16 is: 5,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.28 : 8,585.70 = 4,234.16 : x
  2. Step 2: Convert to fraction form
    6,220.28/8,585.70 = 4,234.16/x
  3. Step 3: Cross multiply
    6,220.28x = 8,585.70 × 4,234.16
  4. Step 4: Simplify right side
    6,220.28x = 36,353,227.51
  5. Step 5: Solve for x
    x = 36,353,227.51/6,220.28
  6. Step 6: Final answer
    x = 5,844.31

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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.