Home / 7,428.24-10,251.90-4,285.44

Finding the Fourth Proportional to 7,428.24, 10,251.90 and 4,285.44

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Solution

The fourth proportional to 7,428.24, 10,251.90 and 4,285.44 is: 5,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.24 : 10,251.90 = 4,285.44 : x
  2. Step 2: Convert to fraction form
    7,428.24/10,251.90 = 4,285.44/x
  3. Step 3: Cross multiply
    7,428.24x = 10,251.90 × 4,285.44
  4. Step 4: Simplify right side
    7,428.24x = 43,933,902.34
  5. Step 5: Solve for x
    x = 43,933,902.34/7,428.24
  6. Step 6: Final answer
    x = 5,914.44

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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.