Home / 7,258.96-10,889.40-3,561.31

Finding the Fourth Proportional to 7,258.96, 10,889.40 and 3,561.31

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Solution

The fourth proportional to 7,258.96, 10,889.40 and 3,561.31 is: 5,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.96 : 10,889.40 = 3,561.31 : x
  2. Step 2: Convert to fraction form
    7,258.96/10,889.40 = 3,561.31/x
  3. Step 3: Cross multiply
    7,258.96x = 10,889.40 × 3,561.31
  4. Step 4: Simplify right side
    7,258.96x = 38,780,529.11
  5. Step 5: Solve for x
    x = 38,780,529.11/7,258.96
  6. Step 6: Final answer
    x = 5,342.44

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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.