Home / 5,260.14-7,259.48-3,931.54

Finding the Fourth Proportional to 5,260.14, 7,259.48 and 3,931.54

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Solution

The fourth proportional to 5,260.14, 7,259.48 and 3,931.54 is: 5,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.14 : 7,259.48 = 3,931.54 : x
  2. Step 2: Convert to fraction form
    5,260.14/7,259.48 = 3,931.54/x
  3. Step 3: Cross multiply
    5,260.14x = 7,259.48 × 3,931.54
  4. Step 4: Simplify right side
    5,260.14x = 28,540,936.00
  5. Step 5: Solve for x
    x = 28,540,936.00/5,260.14
  6. Step 6: Final answer
    x = 5,425.89

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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.