Home / 9,781.90-14,672.97-2,762.09

Finding the Fourth Proportional to 9,781.90, 14,672.97 and 2,762.09

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Solution

The fourth proportional to 9,781.90, 14,672.97 and 2,762.09 is: 4,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.90 : 14,672.97 = 2,762.09 : x
  2. Step 2: Convert to fraction form
    9,781.90/14,672.97 = 2,762.09/x
  3. Step 3: Cross multiply
    9,781.90x = 14,672.97 × 2,762.09
  4. Step 4: Simplify right side
    9,781.90x = 40,528,063.71
  5. Step 5: Solve for x
    x = 40,528,063.71/9,781.90
  6. Step 6: Final answer
    x = 4,143.17

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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.