Home / 8,907.06-13,360.59-4,227.15

Finding the Fourth Proportional to 8,907.06, 13,360.59 and 4,227.15

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Solution

The fourth proportional to 8,907.06, 13,360.59 and 4,227.15 is: 6,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.06 : 13,360.59 = 4,227.15 : x
  2. Step 2: Convert to fraction form
    8,907.06/13,360.59 = 4,227.15/x
  3. Step 3: Cross multiply
    8,907.06x = 13,360.59 × 4,227.15
  4. Step 4: Simplify right side
    8,907.06x = 56,477,218.02
  5. Step 5: Solve for x
    x = 56,477,218.02/8,907.06
  6. Step 6: Final answer
    x = 6,340.73

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.