Home / 5,552.72-8,319.86-3,905.81

Finding the Fourth Proportional to 5,552.72, 8,319.86 and 3,905.81

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Solution

The fourth proportional to 5,552.72, 8,319.86 and 3,905.81 is: 5,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.72 : 8,319.86 = 3,905.81 : x
  2. Step 2: Convert to fraction form
    5,552.72/8,319.86 = 3,905.81/x
  3. Step 3: Cross multiply
    5,552.72x = 8,319.86 × 3,905.81
  4. Step 4: Simplify right side
    5,552.72x = 32,495,731.26
  5. Step 5: Solve for x
    x = 32,495,731.26/5,552.72
  6. Step 6: Final answer
    x = 5,852.22

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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.