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Finding the Fourth Proportional to 8,333.77, 11,500.52 and 4,556.89

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Solution

The fourth proportional to 8,333.77, 11,500.52 and 4,556.89 is: 6,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.77 : 11,500.52 = 4,556.89 : x
  2. Step 2: Convert to fraction form
    8,333.77/11,500.52 = 4,556.89/x
  3. Step 3: Cross multiply
    8,333.77x = 11,500.52 × 4,556.89
  4. Step 4: Simplify right side
    8,333.77x = 52,406,631.57
  5. Step 5: Solve for x
    x = 52,406,631.57/8,333.77
  6. Step 6: Final answer
    x = 6,288.47

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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.