Home / 7,387.44-10,195.98-4,405

Finding the Fourth Proportional to 7,387.44, 10,195.98 and 4,405

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Solution

The fourth proportional to 7,387.44, 10,195.98 and 4,405 is: 6,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.44 : 10,195.98 = 4,405 : x
  2. Step 2: Convert to fraction form
    7,387.44/10,195.98 = 4,405/x
  3. Step 3: Cross multiply
    7,387.44x = 10,195.98 × 4,405
  4. Step 4: Simplify right side
    7,387.44x = 44,913,291.90
  5. Step 5: Solve for x
    x = 44,913,291.90/7,387.44
  6. Step 6: Final answer
    x = 6,079.68

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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.