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Finding the Fourth Proportional to 5,363.96, 8,047.56 and 4,435.32

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Solution

The fourth proportional to 5,363.96, 8,047.56 and 4,435.32 is: 6,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.96 : 8,047.56 = 4,435.32 : x
  2. Step 2: Convert to fraction form
    5,363.96/8,047.56 = 4,435.32/x
  3. Step 3: Cross multiply
    5,363.96x = 8,047.56 × 4,435.32
  4. Step 4: Simplify right side
    5,363.96x = 35,693,503.82
  5. Step 5: Solve for x
    x = 35,693,503.82/5,363.96
  6. Step 6: Final answer
    x = 6,654.32

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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.