Home / 7,305.12-10,951.53-2,920.19

Finding the Fourth Proportional to 7,305.12, 10,951.53 and 2,920.19

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Solution

The fourth proportional to 7,305.12, 10,951.53 and 2,920.19 is: 4,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.12 : 10,951.53 = 2,920.19 : x
  2. Step 2: Convert to fraction form
    7,305.12/10,951.53 = 2,920.19/x
  3. Step 3: Cross multiply
    7,305.12x = 10,951.53 × 2,920.19
  4. Step 4: Simplify right side
    7,305.12x = 31,980,548.39
  5. Step 5: Solve for x
    x = 31,980,548.39/7,305.12
  6. Step 6: Final answer
    x = 4,377.83

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1.5x scale

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.