Home / 5,258.89-7,889.91-1,561.24

Finding the Fourth Proportional to 5,258.89, 7,889.91 and 1,561.24

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Solution

The fourth proportional to 5,258.89, 7,889.91 and 1,561.24 is: 2,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.89 : 7,889.91 = 1,561.24 : x
  2. Step 2: Convert to fraction form
    5,258.89/7,889.91 = 1,561.24/x
  3. Step 3: Cross multiply
    5,258.89x = 7,889.91 × 1,561.24
  4. Step 4: Simplify right side
    5,258.89x = 12,318,043.09
  5. Step 5: Solve for x
    x = 12,318,043.09/5,258.89
  6. Step 6: Final answer
    x = 2,342.33

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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.