Home / 7,427.48-11,141.27-1,805.14

Finding the Fourth Proportional to 7,427.48, 11,141.27 and 1,805.14

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Solution

The fourth proportional to 7,427.48, 11,141.27 and 1,805.14 is: 2,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.48 : 11,141.27 = 1,805.14 : x
  2. Step 2: Convert to fraction form
    7,427.48/11,141.27 = 1,805.14/x
  3. Step 3: Cross multiply
    7,427.48x = 11,141.27 × 1,805.14
  4. Step 4: Simplify right side
    7,427.48x = 20,111,528.79
  5. Step 5: Solve for x
    x = 20,111,528.79/7,427.48
  6. Step 6: Final answer
    x = 2,707.72

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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.