Home / 7,925.88-11,886.38-2,997.84

Finding the Fourth Proportional to 7,925.88, 11,886.38 and 2,997.84

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Solution

The fourth proportional to 7,925.88, 11,886.38 and 2,997.84 is: 4,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.88 : 11,886.38 = 2,997.84 : x
  2. Step 2: Convert to fraction form
    7,925.88/11,886.38 = 2,997.84/x
  3. Step 3: Cross multiply
    7,925.88x = 11,886.38 × 2,997.84
  4. Step 4: Simplify right side
    7,925.88x = 35,633,465.42
  5. Step 5: Solve for x
    x = 35,633,465.42/7,925.88
  6. Step 6: Final answer
    x = 4,495.84

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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.