Home / 5,258.79-7,887.42-1,560.33

Finding the Fourth Proportional to 5,258.79, 7,887.42 and 1,560.33

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Solution

The fourth proportional to 5,258.79, 7,887.42 and 1,560.33 is: 2,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.79 : 7,887.42 = 1,560.33 : x
  2. Step 2: Convert to fraction form
    5,258.79/7,887.42 = 1,560.33/x
  3. Step 3: Cross multiply
    5,258.79x = 7,887.42 × 1,560.33
  4. Step 4: Simplify right side
    5,258.79x = 12,306,978.05
  5. Step 5: Solve for x
    x = 12,306,978.05/5,258.79
  6. Step 6: Final answer
    x = 2,340.27

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1.5x scale

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.