Home / 5,405.48-7,459.92-3,015.88

Finding the Fourth Proportional to 5,405.48, 7,459.92 and 3,015.88

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Solution

The fourth proportional to 5,405.48, 7,459.92 and 3,015.88 is: 4,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.48 : 7,459.92 = 3,015.88 : x
  2. Step 2: Convert to fraction form
    5,405.48/7,459.92 = 3,015.88/x
  3. Step 3: Cross multiply
    5,405.48x = 7,459.92 × 3,015.88
  4. Step 4: Simplify right side
    5,405.48x = 22,498,204.88
  5. Step 5: Solve for x
    x = 22,498,204.88/5,405.48
  6. Step 6: Final answer
    x = 4,162.11

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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.