Home / 5,299.10-7,947.70-1,966.96

Finding the Fourth Proportional to 5,299.10, 7,947.70 and 1,966.96

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Solution

The fourth proportional to 5,299.10, 7,947.70 and 1,966.96 is: 2,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.10 : 7,947.70 = 1,966.96 : x
  2. Step 2: Convert to fraction form
    5,299.10/7,947.70 = 1,966.96/x
  3. Step 3: Cross multiply
    5,299.10x = 7,947.70 × 1,966.96
  4. Step 4: Simplify right side
    5,299.10x = 15,632,807.99
  5. Step 5: Solve for x
    x = 15,632,807.99/5,299.10
  6. Step 6: Final answer
    x = 2,950.09

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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.