Home / 6,942.09-9,581.58-4,423.63

Finding the Fourth Proportional to 6,942.09, 9,581.58 and 4,423.63

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Solution

The fourth proportional to 6,942.09, 9,581.58 and 4,423.63 is: 6,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.09 : 9,581.58 = 4,423.63 : x
  2. Step 2: Convert to fraction form
    6,942.09/9,581.58 = 4,423.63/x
  3. Step 3: Cross multiply
    6,942.09x = 9,581.58 × 4,423.63
  4. Step 4: Simplify right side
    6,942.09x = 42,385,364.74
  5. Step 5: Solve for x
    x = 42,385,364.74/6,942.09
  6. Step 6: Final answer
    x = 6,105.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.