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Finding the Fourth Proportional to 7,453.77, 11,124.84 and 7,330.74

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Solution

The fourth proportional to 7,453.77, 11,124.84 and 7,330.74 is: 10,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.77 : 11,124.84 = 7,330.74 : x
  2. Step 2: Convert to fraction form
    7,453.77/11,124.84 = 7,330.74/x
  3. Step 3: Cross multiply
    7,453.77x = 11,124.84 × 7,330.74
  4. Step 4: Simplify right side
    7,453.77x = 81,553,309.58
  5. Step 5: Solve for x
    x = 81,553,309.58/7,453.77
  6. Step 6: Final answer
    x = 10,941.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.