Home / 9,245.36-12,759.48-5,710.64

Finding the Fourth Proportional to 9,245.36, 12,759.48 and 5,710.64

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Solution

The fourth proportional to 9,245.36, 12,759.48 and 5,710.64 is: 7,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.36 : 12,759.48 = 5,710.64 : x
  2. Step 2: Convert to fraction form
    9,245.36/12,759.48 = 5,710.64/x
  3. Step 3: Cross multiply
    9,245.36x = 12,759.48 × 5,710.64
  4. Step 4: Simplify right side
    9,245.36x = 72,864,796.87
  5. Step 5: Solve for x
    x = 72,864,796.87/9,245.36
  6. Step 6: Final answer
    x = 7,881.23

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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.