Home / 9,235.25-12,740.28-6,716.25

Finding the Fourth Proportional to 9,235.25, 12,740.28 and 6,716.25

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Solution

The fourth proportional to 9,235.25, 12,740.28 and 6,716.25 is: 9,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.25 : 12,740.28 = 6,716.25 : x
  2. Step 2: Convert to fraction form
    9,235.25/12,740.28 = 6,716.25/x
  3. Step 3: Cross multiply
    9,235.25x = 12,740.28 × 6,716.25
  4. Step 4: Simplify right side
    9,235.25x = 85,566,905.55
  5. Step 5: Solve for x
    x = 85,566,905.55/9,235.25
  6. Step 6: Final answer
    x = 9,265.26

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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.