Home / 7,818.64-11,727.54-1,974.92

Finding the Fourth Proportional to 7,818.64, 11,727.54 and 1,974.92

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Solution

The fourth proportional to 7,818.64, 11,727.54 and 1,974.92 is: 2,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.64 : 11,727.54 = 1,974.92 : x
  2. Step 2: Convert to fraction form
    7,818.64/11,727.54 = 1,974.92/x
  3. Step 3: Cross multiply
    7,818.64x = 11,727.54 × 1,974.92
  4. Step 4: Simplify right side
    7,818.64x = 23,160,953.30
  5. Step 5: Solve for x
    x = 23,160,953.30/7,818.64
  6. Step 6: Final answer
    x = 2,962.27

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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.