Home / 7,569.18-11,353.83-2,638.92

Finding the Fourth Proportional to 7,569.18, 11,353.83 and 2,638.92

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Solution

The fourth proportional to 7,569.18, 11,353.83 and 2,638.92 is: 3,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.18 : 11,353.83 = 2,638.92 : x
  2. Step 2: Convert to fraction form
    7,569.18/11,353.83 = 2,638.92/x
  3. Step 3: Cross multiply
    7,569.18x = 11,353.83 × 2,638.92
  4. Step 4: Simplify right side
    7,569.18x = 29,961,849.06
  5. Step 5: Solve for x
    x = 29,961,849.06/7,569.18
  6. Step 6: Final answer
    x = 3,958.40

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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.