Home / 7,428.96-11,152.80-7,392.24

Finding the Fourth Proportional to 7,428.96, 11,152.80 and 7,392.24

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Solution

The fourth proportional to 7,428.96, 11,152.80 and 7,392.24 is: 11,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.96 : 11,152.80 = 7,392.24 : x
  2. Step 2: Convert to fraction form
    7,428.96/11,152.80 = 7,392.24/x
  3. Step 3: Cross multiply
    7,428.96x = 11,152.80 × 7,392.24
  4. Step 4: Simplify right side
    7,428.96x = 82,444,174.27
  5. Step 5: Solve for x
    x = 82,444,174.27/7,428.96
  6. Step 6: Final answer
    x = 11,097.67

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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.