Home / 5,124.60-7,688.82-1,837.56

Finding the Fourth Proportional to 5,124.60, 7,688.82 and 1,837.56

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Solution

The fourth proportional to 5,124.60, 7,688.82 and 1,837.56 is: 2,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.60 : 7,688.82 = 1,837.56 : x
  2. Step 2: Convert to fraction form
    5,124.60/7,688.82 = 1,837.56/x
  3. Step 3: Cross multiply
    5,124.60x = 7,688.82 × 1,837.56
  4. Step 4: Simplify right side
    5,124.60x = 14,128,668.08
  5. Step 5: Solve for x
    x = 14,128,668.08/5,124.60
  6. Step 6: Final answer
    x = 2,757.03

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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.