Home / 9,489.40-13,095.30-5,297.64

Finding the Fourth Proportional to 9,489.40, 13,095.30 and 5,297.64

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Solution

The fourth proportional to 9,489.40, 13,095.30 and 5,297.64 is: 7,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.40 : 13,095.30 = 5,297.64 : x
  2. Step 2: Convert to fraction form
    9,489.40/13,095.30 = 5,297.64/x
  3. Step 3: Cross multiply
    9,489.40x = 13,095.30 × 5,297.64
  4. Step 4: Simplify right side
    9,489.40x = 69,374,185.09
  5. Step 5: Solve for x
    x = 69,374,185.09/9,489.40
  6. Step 6: Final answer
    x = 7,310.70

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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.