Home / 7,084.24-10,625.28-1,890.12

Finding the Fourth Proportional to 7,084.24, 10,625.28 and 1,890.12

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Solution

The fourth proportional to 7,084.24, 10,625.28 and 1,890.12 is: 2,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.24 : 10,625.28 = 1,890.12 : x
  2. Step 2: Convert to fraction form
    7,084.24/10,625.28 = 1,890.12/x
  3. Step 3: Cross multiply
    7,084.24x = 10,625.28 × 1,890.12
  4. Step 4: Simplify right side
    7,084.24x = 20,083,054.23
  5. Step 5: Solve for x
    x = 20,083,054.23/7,084.24
  6. Step 6: Final answer
    x = 2,834.89

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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.