Home / 9,720.64-14,581.92-2,796.16

Finding the Fourth Proportional to 9,720.64, 14,581.92 and 2,796.16

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Solution

The fourth proportional to 9,720.64, 14,581.92 and 2,796.16 is: 4,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.64 : 14,581.92 = 2,796.16 : x
  2. Step 2: Convert to fraction form
    9,720.64/14,581.92 = 2,796.16/x
  3. Step 3: Cross multiply
    9,720.64x = 14,581.92 × 2,796.16
  4. Step 4: Simplify right side
    9,720.64x = 40,773,381.43
  5. Step 5: Solve for x
    x = 40,773,381.43/9,720.64
  6. Step 6: Final answer
    x = 4,194.52

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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.