Home / 10,510.90-15,766.62-3,935.83

Finding the Fourth Proportional to 10,510.90, 15,766.62 and 3,935.83

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Solution

The fourth proportional to 10,510.90, 15,766.62 and 3,935.83 is: 5,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.90 : 15,766.62 = 3,935.83 : x
  2. Step 2: Convert to fraction form
    10,510.90/15,766.62 = 3,935.83/x
  3. Step 3: Cross multiply
    10,510.90x = 15,766.62 × 3,935.83
  4. Step 4: Simplify right side
    10,510.90x = 62,054,735.99
  5. Step 5: Solve for x
    x = 62,054,735.99/10,510.90
  6. Step 6: Final answer
    x = 5,903.85

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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.