Home / 8,087.04-11,157.12-5,253.12

Finding the Fourth Proportional to 8,087.04, 11,157.12 and 5,253.12

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Solution

The fourth proportional to 8,087.04, 11,157.12 and 5,253.12 is: 7,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.04 : 11,157.12 = 5,253.12 : x
  2. Step 2: Convert to fraction form
    8,087.04/11,157.12 = 5,253.12/x
  3. Step 3: Cross multiply
    8,087.04x = 11,157.12 × 5,253.12
  4. Step 4: Simplify right side
    8,087.04x = 58,609,690.21
  5. Step 5: Solve for x
    x = 58,609,690.21/8,087.04
  6. Step 6: Final answer
    x = 7,247.36

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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.