Home / 5,112.96-7,669.36-1,650.48

Finding the Fourth Proportional to 5,112.96, 7,669.36 and 1,650.48

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Solution

The fourth proportional to 5,112.96, 7,669.36 and 1,650.48 is: 2,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.96 : 7,669.36 = 1,650.48 : x
  2. Step 2: Convert to fraction form
    5,112.96/7,669.36 = 1,650.48/x
  3. Step 3: Cross multiply
    5,112.96x = 7,669.36 × 1,650.48
  4. Step 4: Simplify right side
    5,112.96x = 12,658,125.29
  5. Step 5: Solve for x
    x = 12,658,125.29/5,112.96
  6. Step 6: Final answer
    x = 2,475.69

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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.