Home / 9,390.90-14,084.28-2,813.52

Finding the Fourth Proportional to 9,390.90, 14,084.28 and 2,813.52

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Solution

The fourth proportional to 9,390.90, 14,084.28 and 2,813.52 is: 4,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.90 : 14,084.28 = 2,813.52 : x
  2. Step 2: Convert to fraction form
    9,390.90/14,084.28 = 2,813.52/x
  3. Step 3: Cross multiply
    9,390.90x = 14,084.28 × 2,813.52
  4. Step 4: Simplify right side
    9,390.90x = 39,626,403.47
  5. Step 5: Solve for x
    x = 39,626,403.47/9,390.90
  6. Step 6: Final answer
    x = 4,219.66

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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.