Home / 6,824.69-9,417.96-3,840.52

Finding the Fourth Proportional to 6,824.69, 9,417.96 and 3,840.52

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Solution

The fourth proportional to 6,824.69, 9,417.96 and 3,840.52 is: 5,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.69 : 9,417.96 = 3,840.52 : x
  2. Step 2: Convert to fraction form
    6,824.69/9,417.96 = 3,840.52/x
  3. Step 3: Cross multiply
    6,824.69x = 9,417.96 × 3,840.52
  4. Step 4: Simplify right side
    6,824.69x = 36,169,820.99
  5. Step 5: Solve for x
    x = 36,169,820.99/6,824.69
  6. Step 6: Final answer
    x = 5,299.85

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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.