Home / 7,024.79-10,529.08-2,639.45

Finding the Fourth Proportional to 7,024.79, 10,529.08 and 2,639.45

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Solution

The fourth proportional to 7,024.79, 10,529.08 and 2,639.45 is: 3,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.79 : 10,529.08 = 2,639.45 : x
  2. Step 2: Convert to fraction form
    7,024.79/10,529.08 = 2,639.45/x
  3. Step 3: Cross multiply
    7,024.79x = 10,529.08 × 2,639.45
  4. Step 4: Simplify right side
    7,024.79x = 27,790,920.96
  5. Step 5: Solve for x
    x = 27,790,920.96/7,024.79
  6. Step 6: Final answer
    x = 3,956.12

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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.