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Finding the Fourth Proportional to 5,333.77, 8,000.77 and 1,635.91

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Solution

The fourth proportional to 5,333.77, 8,000.77 and 1,635.91 is: 2,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.77 : 8,000.77 = 1,635.91 : x
  2. Step 2: Convert to fraction form
    5,333.77/8,000.77 = 1,635.91/x
  3. Step 3: Cross multiply
    5,333.77x = 8,000.77 × 1,635.91
  4. Step 4: Simplify right side
    5,333.77x = 13,088,551.47
  5. Step 5: Solve for x
    x = 13,088,551.47/5,333.77
  6. Step 6: Final answer
    x = 2,453.90

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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.