Home / 7,343.46-11,015.19-4,228.20

Finding the Fourth Proportional to 7,343.46, 11,015.19 and 4,228.20

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Solution

The fourth proportional to 7,343.46, 11,015.19 and 4,228.20 is: 6,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.46 : 11,015.19 = 4,228.20 : x
  2. Step 2: Convert to fraction form
    7,343.46/11,015.19 = 4,228.20/x
  3. Step 3: Cross multiply
    7,343.46x = 11,015.19 × 4,228.20
  4. Step 4: Simplify right side
    7,343.46x = 46,574,426.36
  5. Step 5: Solve for x
    x = 46,574,426.36/7,343.46
  6. Step 6: Final answer
    x = 6,342.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.