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Finding the Fourth Proportional to 7,253, 10,887.20 and 6,425.44

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Solution

The fourth proportional to 7,253, 10,887.20 and 6,425.44 is: 9,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253 : 10,887.20 = 6,425.44 : x
  2. Step 2: Convert to fraction form
    7,253/10,887.20 = 6,425.44/x
  3. Step 3: Cross multiply
    7,253x = 10,887.20 × 6,425.44
  4. Step 4: Simplify right side
    7,253x = 69,955,050.37
  5. Step 5: Solve for x
    x = 69,955,050.37/7,253
  6. Step 6: Final answer
    x = 9,644.98

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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.