Home / 7,399.82-10,209.09-4,374.30

Finding the Fourth Proportional to 7,399.82, 10,209.09 and 4,374.30

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Solution

The fourth proportional to 7,399.82, 10,209.09 and 4,374.30 is: 6,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.82 : 10,209.09 = 4,374.30 : x
  2. Step 2: Convert to fraction form
    7,399.82/10,209.09 = 4,374.30/x
  3. Step 3: Cross multiply
    7,399.82x = 10,209.09 × 4,374.30
  4. Step 4: Simplify right side
    7,399.82x = 44,657,622.39
  5. Step 5: Solve for x
    x = 44,657,622.39/7,399.82
  6. Step 6: Final answer
    x = 6,034.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.