Home / 7,742.44-11,613.58-1,899.06

Finding the Fourth Proportional to 7,742.44, 11,613.58 and 1,899.06

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Solution

The fourth proportional to 7,742.44, 11,613.58 and 1,899.06 is: 2,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.44 : 11,613.58 = 1,899.06 : x
  2. Step 2: Convert to fraction form
    7,742.44/11,613.58 = 1,899.06/x
  3. Step 3: Cross multiply
    7,742.44x = 11,613.58 × 1,899.06
  4. Step 4: Simplify right side
    7,742.44x = 22,054,885.23
  5. Step 5: Solve for x
    x = 22,054,885.23/7,742.44
  6. Step 6: Final answer
    x = 2,848.57

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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.