Home / 8,271.56-11,392.98-6,262.76

Finding the Fourth Proportional to 8,271.56, 11,392.98 and 6,262.76

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Solution

The fourth proportional to 8,271.56, 11,392.98 and 6,262.76 is: 8,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.56 : 11,392.98 = 6,262.76 : x
  2. Step 2: Convert to fraction form
    8,271.56/11,392.98 = 6,262.76/x
  3. Step 3: Cross multiply
    8,271.56x = 11,392.98 × 6,262.76
  4. Step 4: Simplify right side
    8,271.56x = 71,351,499.42
  5. Step 5: Solve for x
    x = 71,351,499.42/8,271.56
  6. Step 6: Final answer
    x = 8,626.12

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Half scale
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Double scale
Find fourth proportional to 8,272.56, 11,394.36 and 6,263.76
Similar ratio
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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.