Home / 5,163.16-7,125.12-2,925

Finding the Fourth Proportional to 5,163.16, 7,125.12 and 2,925

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Solution

The fourth proportional to 5,163.16, 7,125.12 and 2,925 is: 4,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.16 : 7,125.12 = 2,925 : x
  2. Step 2: Convert to fraction form
    5,163.16/7,125.12 = 2,925/x
  3. Step 3: Cross multiply
    5,163.16x = 7,125.12 × 2,925
  4. Step 4: Simplify right side
    5,163.16x = 20,840,976
  5. Step 5: Solve for x
    x = 20,840,976/5,163.16
  6. Step 6: Final answer
    x = 4,036.48

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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.