Home / 7,748.35-11,622.42-1,904.91

Finding the Fourth Proportional to 7,748.35, 11,622.42 and 1,904.91

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Solution

The fourth proportional to 7,748.35, 11,622.42 and 1,904.91 is: 2,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.35 : 11,622.42 = 1,904.91 : x
  2. Step 2: Convert to fraction form
    7,748.35/11,622.42 = 1,904.91/x
  3. Step 3: Cross multiply
    7,748.35x = 11,622.42 × 1,904.91
  4. Step 4: Simplify right side
    7,748.35x = 22,139,664.08
  5. Step 5: Solve for x
    x = 22,139,664.08/7,748.35
  6. Step 6: Final answer
    x = 2,857.34

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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.