Home / 7,385.04-10,188.36-4,240.80

Finding the Fourth Proportional to 7,385.04, 10,188.36 and 4,240.80

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Solution

The fourth proportional to 7,385.04, 10,188.36 and 4,240.80 is: 5,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.04 : 10,188.36 = 4,240.80 : x
  2. Step 2: Convert to fraction form
    7,385.04/10,188.36 = 4,240.80/x
  3. Step 3: Cross multiply
    7,385.04x = 10,188.36 × 4,240.80
  4. Step 4: Simplify right side
    7,385.04x = 43,206,797.09
  5. Step 5: Solve for x
    x = 43,206,797.09/7,385.04
  6. Step 6: Final answer
    x = 5,850.58

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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.