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Finding the Fourth Proportional to 5,292.65, 7,304.81 and 3,054.22

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Solution

The fourth proportional to 5,292.65, 7,304.81 and 3,054.22 is: 4,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.65 : 7,304.81 = 3,054.22 : x
  2. Step 2: Convert to fraction form
    5,292.65/7,304.81 = 3,054.22/x
  3. Step 3: Cross multiply
    5,292.65x = 7,304.81 × 3,054.22
  4. Step 4: Simplify right side
    5,292.65x = 22,310,460.27
  5. Step 5: Solve for x
    x = 22,310,460.27/5,292.65
  6. Step 6: Final answer
    x = 4,215.37

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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.