Home / 5,259.78-7,258.38-2,902.14

Finding the Fourth Proportional to 5,259.78, 7,258.38 and 2,902.14

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Solution

The fourth proportional to 5,259.78, 7,258.38 and 2,902.14 is: 4,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.78 : 7,258.38 = 2,902.14 : x
  2. Step 2: Convert to fraction form
    5,259.78/7,258.38 = 2,902.14/x
  3. Step 3: Cross multiply
    5,259.78x = 7,258.38 × 2,902.14
  4. Step 4: Simplify right side
    5,259.78x = 21,064,834.93
  5. Step 5: Solve for x
    x = 21,064,834.93/5,259.78
  6. Step 6: Final answer
    x = 4,004.89

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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.