Home / 9,205.26-12,707.58-5,427.24

Finding the Fourth Proportional to 9,205.26, 12,707.58 and 5,427.24

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Solution

The fourth proportional to 9,205.26, 12,707.58 and 5,427.24 is: 7,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.26 : 12,707.58 = 5,427.24 : x
  2. Step 2: Convert to fraction form
    9,205.26/12,707.58 = 5,427.24/x
  3. Step 3: Cross multiply
    9,205.26x = 12,707.58 × 5,427.24
  4. Step 4: Simplify right side
    9,205.26x = 68,967,086.48
  5. Step 5: Solve for x
    x = 68,967,086.48/9,205.26
  6. Step 6: Final answer
    x = 7,492.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.