Home / 7,940.19-11,909.33-4,610.28

Finding the Fourth Proportional to 7,940.19, 11,909.33 and 4,610.28

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Solution

The fourth proportional to 7,940.19, 11,909.33 and 4,610.28 is: 6,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.19 : 11,909.33 = 4,610.28 : x
  2. Step 2: Convert to fraction form
    7,940.19/11,909.33 = 4,610.28/x
  3. Step 3: Cross multiply
    7,940.19x = 11,909.33 × 4,610.28
  4. Step 4: Simplify right side
    7,940.19x = 54,905,384.81
  5. Step 5: Solve for x
    x = 54,905,384.81/7,940.19
  6. Step 6: Final answer
    x = 6,914.87

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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.