Home / 7,250.40-10,898.80-6,736.80

Finding the Fourth Proportional to 7,250.40, 10,898.80 and 6,736.80

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Solution

The fourth proportional to 7,250.40, 10,898.80 and 6,736.80 is: 10,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.40 : 10,898.80 = 6,736.80 : x
  2. Step 2: Convert to fraction form
    7,250.40/10,898.80 = 6,736.80/x
  3. Step 3: Cross multiply
    7,250.40x = 10,898.80 × 6,736.80
  4. Step 4: Simplify right side
    7,250.40x = 73,423,035.84
  5. Step 5: Solve for x
    x = 73,423,035.84/7,250.40
  6. Step 6: Final answer
    x = 10,126.76

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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.