Home / 7,613.12-11,419.74-2,681.64

Finding the Fourth Proportional to 7,613.12, 11,419.74 and 2,681.64

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Solution

The fourth proportional to 7,613.12, 11,419.74 and 2,681.64 is: 4,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.12 : 11,419.74 = 2,681.64 : x
  2. Step 2: Convert to fraction form
    7,613.12/11,419.74 = 2,681.64/x
  3. Step 3: Cross multiply
    7,613.12x = 11,419.74 × 2,681.64
  4. Step 4: Simplify right side
    7,613.12x = 30,623,631.57
  5. Step 5: Solve for x
    x = 30,623,631.57/7,613.12
  6. Step 6: Final answer
    x = 4,022.48

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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.