Home / 5,276.30-7,281.19-2,918.54

Finding the Fourth Proportional to 5,276.30, 7,281.19 and 2,918.54

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Solution

The fourth proportional to 5,276.30, 7,281.19 and 2,918.54 is: 4,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.30 : 7,281.19 = 2,918.54 : x
  2. Step 2: Convert to fraction form
    5,276.30/7,281.19 = 2,918.54/x
  3. Step 3: Cross multiply
    5,276.30x = 7,281.19 × 2,918.54
  4. Step 4: Simplify right side
    5,276.30x = 21,250,444.26
  5. Step 5: Solve for x
    x = 21,250,444.26/5,276.30
  6. Step 6: Final answer
    x = 4,027.53

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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.