Home / 7,180.38-9,903.99-4,387.26

Finding the Fourth Proportional to 7,180.38, 9,903.99 and 4,387.26

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Solution

The fourth proportional to 7,180.38, 9,903.99 and 4,387.26 is: 6,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.38 : 9,903.99 = 4,387.26 : x
  2. Step 2: Convert to fraction form
    7,180.38/9,903.99 = 4,387.26/x
  3. Step 3: Cross multiply
    7,180.38x = 9,903.99 × 4,387.26
  4. Step 4: Simplify right side
    7,180.38x = 43,451,379.17
  5. Step 5: Solve for x
    x = 43,451,379.17/7,180.38
  6. Step 6: Final answer
    x = 6,051.40

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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.