Home / 6,281.31-8,668.28-3,924.82

Finding the Fourth Proportional to 6,281.31, 8,668.28 and 3,924.82

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Solution

The fourth proportional to 6,281.31, 8,668.28 and 3,924.82 is: 5,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.31 : 8,668.28 = 3,924.82 : x
  2. Step 2: Convert to fraction form
    6,281.31/8,668.28 = 3,924.82/x
  3. Step 3: Cross multiply
    6,281.31x = 8,668.28 × 3,924.82
  4. Step 4: Simplify right side
    6,281.31x = 34,021,438.71
  5. Step 5: Solve for x
    x = 34,021,438.71/6,281.31
  6. Step 6: Final answer
    x = 5,416.30

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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.