Home / 7,615.92-10,500.39-5,825.58

Finding the Fourth Proportional to 7,615.92, 10,500.39 and 5,825.58

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Solution

The fourth proportional to 7,615.92, 10,500.39 and 5,825.58 is: 8,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.92 : 10,500.39 = 5,825.58 : x
  2. Step 2: Convert to fraction form
    7,615.92/10,500.39 = 5,825.58/x
  3. Step 3: Cross multiply
    7,615.92x = 10,500.39 × 5,825.58
  4. Step 4: Simplify right side
    7,615.92x = 61,170,861.98
  5. Step 5: Solve for x
    x = 61,170,861.98/7,615.92
  6. Step 6: Final answer
    x = 8,031.97

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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.