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Finding the Fourth Proportional to 5,262.48, 7,262.28 and 2,904.48

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Solution

The fourth proportional to 5,262.48, 7,262.28 and 2,904.48 is: 4,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.48 : 7,262.28 = 2,904.48 : x
  2. Step 2: Convert to fraction form
    5,262.48/7,262.28 = 2,904.48/x
  3. Step 3: Cross multiply
    5,262.48x = 7,262.28 × 2,904.48
  4. Step 4: Simplify right side
    5,262.48x = 21,093,147.01
  5. Step 5: Solve for x
    x = 21,093,147.01/5,262.48
  6. Step 6: Final answer
    x = 4,008.21

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1.5x scale

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.