Home / 7,784.95-11,677.10-3,623.53

Finding the Fourth Proportional to 7,784.95, 11,677.10 and 3,623.53

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Solution

The fourth proportional to 7,784.95, 11,677.10 and 3,623.53 is: 5,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.95 : 11,677.10 = 3,623.53 : x
  2. Step 2: Convert to fraction form
    7,784.95/11,677.10 = 3,623.53/x
  3. Step 3: Cross multiply
    7,784.95x = 11,677.10 × 3,623.53
  4. Step 4: Simplify right side
    7,784.95x = 42,312,245.66
  5. Step 5: Solve for x
    x = 42,312,245.66/7,784.95
  6. Step 6: Final answer
    x = 5,435.13

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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.