Home / 7,455.44-11,128.90-6,914.96

Finding the Fourth Proportional to 7,455.44, 11,128.90 and 6,914.96

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Solution

The fourth proportional to 7,455.44, 11,128.90 and 6,914.96 is: 10,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.44 : 11,128.90 = 6,914.96 : x
  2. Step 2: Convert to fraction form
    7,455.44/11,128.90 = 6,914.96/x
  3. Step 3: Cross multiply
    7,455.44x = 11,128.90 × 6,914.96
  4. Step 4: Simplify right side
    7,455.44x = 76,955,898.34
  5. Step 5: Solve for x
    x = 76,955,898.34/7,455.44
  6. Step 6: Final answer
    x = 10,322.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.