Home / 5,651.70-8,475.93-1,953.78

Finding the Fourth Proportional to 5,651.70, 8,475.93 and 1,953.78

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Solution

The fourth proportional to 5,651.70, 8,475.93 and 1,953.78 is: 2,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.70 : 8,475.93 = 1,953.78 : x
  2. Step 2: Convert to fraction form
    5,651.70/8,475.93 = 1,953.78/x
  3. Step 3: Cross multiply
    5,651.70x = 8,475.93 × 1,953.78
  4. Step 4: Simplify right side
    5,651.70x = 16,560,102.52
  5. Step 5: Solve for x
    x = 16,560,102.52/5,651.70
  6. Step 6: Final answer
    x = 2,930.11

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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.