Home / 6,824.50-9,417.21-3,840.58

Finding the Fourth Proportional to 6,824.50, 9,417.21 and 3,840.58

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Solution

The fourth proportional to 6,824.50, 9,417.21 and 3,840.58 is: 5,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.50 : 9,417.21 = 3,840.58 : x
  2. Step 2: Convert to fraction form
    6,824.50/9,417.21 = 3,840.58/x
  3. Step 3: Cross multiply
    6,824.50x = 9,417.21 × 3,840.58
  4. Step 4: Simplify right side
    6,824.50x = 36,167,548.38
  5. Step 5: Solve for x
    x = 36,167,548.38/6,824.50
  6. Step 6: Final answer
    x = 5,299.66

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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.