Home / 7,103.45-10,651.58-4,142.83

Finding the Fourth Proportional to 7,103.45, 10,651.58 and 4,142.83

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Solution

The fourth proportional to 7,103.45, 10,651.58 and 4,142.83 is: 6,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.45 : 10,651.58 = 4,142.83 : x
  2. Step 2: Convert to fraction form
    7,103.45/10,651.58 = 4,142.83/x
  3. Step 3: Cross multiply
    7,103.45x = 10,651.58 × 4,142.83
  4. Step 4: Simplify right side
    7,103.45x = 44,127,685.17
  5. Step 5: Solve for x
    x = 44,127,685.17/7,103.45
  6. Step 6: Final answer
    x = 6,212.15

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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.