Home / 5,216.80-7,200.46-4,376.20

Finding the Fourth Proportional to 5,216.80, 7,200.46 and 4,376.20

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Solution

The fourth proportional to 5,216.80, 7,200.46 and 4,376.20 is: 6,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.80 : 7,200.46 = 4,376.20 : x
  2. Step 2: Convert to fraction form
    5,216.80/7,200.46 = 4,376.20/x
  3. Step 3: Cross multiply
    5,216.80x = 7,200.46 × 4,376.20
  4. Step 4: Simplify right side
    5,216.80x = 31,510,653.05
  5. Step 5: Solve for x
    x = 31,510,653.05/5,216.80
  6. Step 6: Final answer
    x = 6,040.23

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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.