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Finding the Fourth Proportional to 5,657.36, 8,486.08 and 3,333.68

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Solution

The fourth proportional to 5,657.36, 8,486.08 and 3,333.68 is: 5,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.36 : 8,486.08 = 3,333.68 : x
  2. Step 2: Convert to fraction form
    5,657.36/8,486.08 = 3,333.68/x
  3. Step 3: Cross multiply
    5,657.36x = 8,486.08 × 3,333.68
  4. Step 4: Simplify right side
    5,657.36x = 28,289,875.17
  5. Step 5: Solve for x
    x = 28,289,875.17/5,657.36
  6. Step 6: Final answer
    x = 5,000.54

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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.