Home / 5,258.16-7,887.78-1,560.42

Finding the Fourth Proportional to 5,258.16, 7,887.78 and 1,560.42

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Solution

The fourth proportional to 5,258.16, 7,887.78 and 1,560.42 is: 2,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.16 : 7,887.78 = 1,560.42 : x
  2. Step 2: Convert to fraction form
    5,258.16/7,887.78 = 1,560.42/x
  3. Step 3: Cross multiply
    5,258.16x = 7,887.78 × 1,560.42
  4. Step 4: Simplify right side
    5,258.16x = 12,308,249.67
  5. Step 5: Solve for x
    x = 12,308,249.67/5,258.16
  6. Step 6: Final answer
    x = 2,340.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.