Home / 9,286.36-12,812.96-5,253.28

Finding the Fourth Proportional to 9,286.36, 12,812.96 and 5,253.28

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Solution

The fourth proportional to 9,286.36, 12,812.96 and 5,253.28 is: 7,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.36 : 12,812.96 = 5,253.28 : x
  2. Step 2: Convert to fraction form
    9,286.36/12,812.96 = 5,253.28/x
  3. Step 3: Cross multiply
    9,286.36x = 12,812.96 × 5,253.28
  4. Step 4: Simplify right side
    9,286.36x = 67,310,047.61
  5. Step 5: Solve for x
    x = 67,310,047.61/9,286.36
  6. Step 6: Final answer
    x = 7,248.27

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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.