Home / 5,041.62-7,561.35-1,921.50

Finding the Fourth Proportional to 5,041.62, 7,561.35 and 1,921.50

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Solution

The fourth proportional to 5,041.62, 7,561.35 and 1,921.50 is: 2,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.62 : 7,561.35 = 1,921.50 : x
  2. Step 2: Convert to fraction form
    5,041.62/7,561.35 = 1,921.50/x
  3. Step 3: Cross multiply
    5,041.62x = 7,561.35 × 1,921.50
  4. Step 4: Simplify right side
    5,041.62x = 14,529,134.03
  5. Step 5: Solve for x
    x = 14,529,134.03/5,041.62
  6. Step 6: Final answer
    x = 2,881.84

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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.