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Finding the Fourth Proportional to 5,577.76, 8,366.64 and 4,048.48

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Solution

The fourth proportional to 5,577.76, 8,366.64 and 4,048.48 is: 6,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.76 : 8,366.64 = 4,048.48 : x
  2. Step 2: Convert to fraction form
    5,577.76/8,366.64 = 4,048.48/x
  3. Step 3: Cross multiply
    5,577.76x = 8,366.64 × 4,048.48
  4. Step 4: Simplify right side
    5,577.76x = 33,872,174.71
  5. Step 5: Solve for x
    x = 33,872,174.71/5,577.76
  6. Step 6: Final answer
    x = 6,072.72

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Similar ratio
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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.