Home / 5,412.88-7,470.12-3,054.16

Finding the Fourth Proportional to 5,412.88, 7,470.12 and 3,054.16

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Solution

The fourth proportional to 5,412.88, 7,470.12 and 3,054.16 is: 4,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.88 : 7,470.12 = 3,054.16 : x
  2. Step 2: Convert to fraction form
    5,412.88/7,470.12 = 3,054.16/x
  3. Step 3: Cross multiply
    5,412.88x = 7,470.12 × 3,054.16
  4. Step 4: Simplify right side
    5,412.88x = 22,814,941.70
  5. Step 5: Solve for x
    x = 22,814,941.70/5,412.88
  6. Step 6: Final answer
    x = 4,214.94

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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.