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Finding the Fourth Proportional to 5,458.66, 7,533 and 3,100.82

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Solution

The fourth proportional to 5,458.66, 7,533 and 3,100.82 is: 4,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.66 : 7,533 = 3,100.82 : x
  2. Step 2: Convert to fraction form
    5,458.66/7,533 = 3,100.82/x
  3. Step 3: Cross multiply
    5,458.66x = 7,533 × 3,100.82
  4. Step 4: Simplify right side
    5,458.66x = 23,358,477.06
  5. Step 5: Solve for x
    x = 23,358,477.06/5,458.66
  6. Step 6: Final answer
    x = 4,279.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.