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Finding the Fourth Proportional to 7,244.37, 10,780.02 and 7,219.80

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Solution

The fourth proportional to 7,244.37, 10,780.02 and 7,219.80 is: 10,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.37 : 10,780.02 = 7,219.80 : x
  2. Step 2: Convert to fraction form
    7,244.37/10,780.02 = 7,219.80/x
  3. Step 3: Cross multiply
    7,244.37x = 10,780.02 × 7,219.80
  4. Step 4: Simplify right side
    7,244.37x = 77,829,588.40
  5. Step 5: Solve for x
    x = 77,829,588.40/7,244.37
  6. Step 6: Final answer
    x = 10,743.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.