Home / 7,829.23-11,718.89-4,355.95

Finding the Fourth Proportional to 7,829.23, 11,718.89 and 4,355.95

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Solution

The fourth proportional to 7,829.23, 11,718.89 and 4,355.95 is: 6,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.23 : 11,718.89 = 4,355.95 : x
  2. Step 2: Convert to fraction form
    7,829.23/11,718.89 = 4,355.95/x
  3. Step 3: Cross multiply
    7,829.23x = 11,718.89 × 4,355.95
  4. Step 4: Simplify right side
    7,829.23x = 51,046,877.12
  5. Step 5: Solve for x
    x = 51,046,877.12/7,829.23
  6. Step 6: Final answer
    x = 6,520.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.