Home / 7,390.92-11,080.50-4,267.39

Finding the Fourth Proportional to 7,390.92, 11,080.50 and 4,267.39

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Solution

The fourth proportional to 7,390.92, 11,080.50 and 4,267.39 is: 6,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.92 : 11,080.50 = 4,267.39 : x
  2. Step 2: Convert to fraction form
    7,390.92/11,080.50 = 4,267.39/x
  3. Step 3: Cross multiply
    7,390.92x = 11,080.50 × 4,267.39
  4. Step 4: Simplify right side
    7,390.92x = 47,284,772.81
  5. Step 5: Solve for x
    x = 47,284,772.81/7,390.92
  6. Step 6: Final answer
    x = 6,397.68

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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.