Home / 9,717.90-14,577.92-2,792.40

Finding the Fourth Proportional to 9,717.90, 14,577.92 and 2,792.40

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Solution

The fourth proportional to 9,717.90, 14,577.92 and 2,792.40 is: 4,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.90 : 14,577.92 = 2,792.40 : x
  2. Step 2: Convert to fraction form
    9,717.90/14,577.92 = 2,792.40/x
  3. Step 3: Cross multiply
    9,717.90x = 14,577.92 × 2,792.40
  4. Step 4: Simplify right side
    9,717.90x = 40,707,383.81
  5. Step 5: Solve for x
    x = 40,707,383.81/9,717.90
  6. Step 6: Final answer
    x = 4,188.91

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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.