Home / 9,478.62-13,077.45-5,286.06

Finding the Fourth Proportional to 9,478.62, 13,077.45 and 5,286.06

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Solution

The fourth proportional to 9,478.62, 13,077.45 and 5,286.06 is: 7,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.62 : 13,077.45 = 5,286.06 : x
  2. Step 2: Convert to fraction form
    9,478.62/13,077.45 = 5,286.06/x
  3. Step 3: Cross multiply
    9,478.62x = 13,077.45 × 5,286.06
  4. Step 4: Simplify right side
    9,478.62x = 69,128,185.35
  5. Step 5: Solve for x
    x = 69,128,185.35/9,478.62
  6. Step 6: Final answer
    x = 7,293.06

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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.