Home / 5,412.12-7,460.56-4,231.14

Finding the Fourth Proportional to 5,412.12, 7,460.56 and 4,231.14

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Solution

The fourth proportional to 5,412.12, 7,460.56 and 4,231.14 is: 5,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.12 : 7,460.56 = 4,231.14 : x
  2. Step 2: Convert to fraction form
    5,412.12/7,460.56 = 4,231.14/x
  3. Step 3: Cross multiply
    5,412.12x = 7,460.56 × 4,231.14
  4. Step 4: Simplify right side
    5,412.12x = 31,566,627.35
  5. Step 5: Solve for x
    x = 31,566,627.35/5,412.12
  6. Step 6: Final answer
    x = 5,832.58

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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.