Home / 7,513.88-11,271.42-2,319.75

Finding the Fourth Proportional to 7,513.88, 11,271.42 and 2,319.75

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Solution

The fourth proportional to 7,513.88, 11,271.42 and 2,319.75 is: 3,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.88 : 11,271.42 = 2,319.75 : x
  2. Step 2: Convert to fraction form
    7,513.88/11,271.42 = 2,319.75/x
  3. Step 3: Cross multiply
    7,513.88x = 11,271.42 × 2,319.75
  4. Step 4: Simplify right side
    7,513.88x = 26,146,876.55
  5. Step 5: Solve for x
    x = 26,146,876.55/7,513.88
  6. Step 6: Final answer
    x = 3,479.81

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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.