Home / 8,210.28-11,328.26-6,090.71

Finding the Fourth Proportional to 8,210.28, 11,328.26 and 6,090.71

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Solution

The fourth proportional to 8,210.28, 11,328.26 and 6,090.71 is: 8,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.28 : 11,328.26 = 6,090.71 : x
  2. Step 2: Convert to fraction form
    8,210.28/11,328.26 = 6,090.71/x
  3. Step 3: Cross multiply
    8,210.28x = 11,328.26 × 6,090.71
  4. Step 4: Simplify right side
    8,210.28x = 68,997,059.37
  5. Step 5: Solve for x
    x = 68,997,059.37/8,210.28
  6. Step 6: Final answer
    x = 8,403.74

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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.