Home / 7,238.57-10,871.23-4,334.72

Finding the Fourth Proportional to 7,238.57, 10,871.23 and 4,334.72

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Solution

The fourth proportional to 7,238.57, 10,871.23 and 4,334.72 is: 6,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.57 : 10,871.23 = 4,334.72 : x
  2. Step 2: Convert to fraction form
    7,238.57/10,871.23 = 4,334.72/x
  3. Step 3: Cross multiply
    7,238.57x = 10,871.23 × 4,334.72
  4. Step 4: Simplify right side
    7,238.57x = 47,123,738.11
  5. Step 5: Solve for x
    x = 47,123,738.11/7,238.57
  6. Step 6: Final answer
    x = 6,510.09

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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.