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Finding the Fourth Proportional to 8,357.55, 12,511.73 and 6,176.01

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Solution

The fourth proportional to 8,357.55, 12,511.73 and 6,176.01 is: 9,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.55 : 12,511.73 = 6,176.01 : x
  2. Step 2: Convert to fraction form
    8,357.55/12,511.73 = 6,176.01/x
  3. Step 3: Cross multiply
    8,357.55x = 12,511.73 × 6,176.01
  4. Step 4: Simplify right side
    8,357.55x = 77,272,538.72
  5. Step 5: Solve for x
    x = 77,272,538.72/8,357.55
  6. Step 6: Final answer
    x = 9,245.84

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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.