Home / 8,132.37-11,221.02-6,246.08

Finding the Fourth Proportional to 8,132.37, 11,221.02 and 6,246.08

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Solution

The fourth proportional to 8,132.37, 11,221.02 and 6,246.08 is: 8,618.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.37 : 11,221.02 = 6,246.08 : x
  2. Step 2: Convert to fraction form
    8,132.37/11,221.02 = 6,246.08/x
  3. Step 3: Cross multiply
    8,132.37x = 11,221.02 × 6,246.08
  4. Step 4: Simplify right side
    8,132.37x = 70,087,332.50
  5. Step 5: Solve for x
    x = 70,087,332.50/8,132.37
  6. Step 6: Final answer
    x = 8,618.32

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Half scale
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Double scale
Find fourth proportional to 8,133.37, 11,222.40 and 6,247.08
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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.