Home / 7,908.64-11,862.96-2,714.48

Finding the Fourth Proportional to 7,908.64, 11,862.96 and 2,714.48

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Solution

The fourth proportional to 7,908.64, 11,862.96 and 2,714.48 is: 4,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.64 : 11,862.96 = 2,714.48 : x
  2. Step 2: Convert to fraction form
    7,908.64/11,862.96 = 2,714.48/x
  3. Step 3: Cross multiply
    7,908.64x = 11,862.96 × 2,714.48
  4. Step 4: Simplify right side
    7,908.64x = 32,201,767.66
  5. Step 5: Solve for x
    x = 32,201,767.66/7,908.64
  6. Step 6: Final answer
    x = 4,071.72

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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.