Home / 7,270.04-10,031.30-4,286.80

Finding the Fourth Proportional to 7,270.04, 10,031.30 and 4,286.80

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Solution

The fourth proportional to 7,270.04, 10,031.30 and 4,286.80 is: 5,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.04 : 10,031.30 = 4,286.80 : x
  2. Step 2: Convert to fraction form
    7,270.04/10,031.30 = 4,286.80/x
  3. Step 3: Cross multiply
    7,270.04x = 10,031.30 × 4,286.80
  4. Step 4: Simplify right side
    7,270.04x = 43,002,176.84
  5. Step 5: Solve for x
    x = 43,002,176.84/7,270.04
  6. Step 6: Final answer
    x = 5,914.98

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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.