Home / 5,365.85-7,405.30-2,976.06

Finding the Fourth Proportional to 5,365.85, 7,405.30 and 2,976.06

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Solution

The fourth proportional to 5,365.85, 7,405.30 and 2,976.06 is: 4,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.85 : 7,405.30 = 2,976.06 : x
  2. Step 2: Convert to fraction form
    5,365.85/7,405.30 = 2,976.06/x
  3. Step 3: Cross multiply
    5,365.85x = 7,405.30 × 2,976.06
  4. Step 4: Simplify right side
    5,365.85x = 22,038,624.56
  5. Step 5: Solve for x
    x = 22,038,624.56/5,365.85
  6. Step 6: Final answer
    x = 4,107.20

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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.