Home / 10,510.21-15,757.41-4,960.39

Finding the Fourth Proportional to 10,510.21, 15,757.41 and 4,960.39

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Solution

The fourth proportional to 10,510.21, 15,757.41 and 4,960.39 is: 7,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.21 : 15,757.41 = 4,960.39 : x
  2. Step 2: Convert to fraction form
    10,510.21/15,757.41 = 4,960.39/x
  3. Step 3: Cross multiply
    10,510.21x = 15,757.41 × 4,960.39
  4. Step 4: Simplify right side
    10,510.21x = 78,162,898.99
  5. Step 5: Solve for x
    x = 78,162,898.99/10,510.21
  6. Step 6: Final answer
    x = 7,436.86

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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.