Home / 7,516.47-11,275.79-2,322.75

Finding the Fourth Proportional to 7,516.47, 11,275.79 and 2,322.75

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Solution

The fourth proportional to 7,516.47, 11,275.79 and 2,322.75 is: 3,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.47 : 11,275.79 = 2,322.75 : x
  2. Step 2: Convert to fraction form
    7,516.47/11,275.79 = 2,322.75/x
  3. Step 3: Cross multiply
    7,516.47x = 11,275.79 × 2,322.75
  4. Step 4: Simplify right side
    7,516.47x = 26,190,829.61
  5. Step 5: Solve for x
    x = 26,190,829.61/7,516.47
  6. Step 6: Final answer
    x = 3,484.46

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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.