Home / 6,938.91-9,574.20-3,953.93

Finding the Fourth Proportional to 6,938.91, 9,574.20 and 3,953.93

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Solution

The fourth proportional to 6,938.91, 9,574.20 and 3,953.93 is: 5,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.91 : 9,574.20 = 3,953.93 : x
  2. Step 2: Convert to fraction form
    6,938.91/9,574.20 = 3,953.93/x
  3. Step 3: Cross multiply
    6,938.91x = 9,574.20 × 3,953.93
  4. Step 4: Simplify right side
    6,938.91x = 37,855,668.74
  5. Step 5: Solve for x
    x = 37,855,668.74/6,938.91
  6. Step 6: Final answer
    x = 5,455.56

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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.