Home / 5,261.77-7,261.32-2,903.86

Finding the Fourth Proportional to 5,261.77, 7,261.32 and 2,903.86

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Solution

The fourth proportional to 5,261.77, 7,261.32 and 2,903.86 is: 4,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.77 : 7,261.32 = 2,903.86 : x
  2. Step 2: Convert to fraction form
    5,261.77/7,261.32 = 2,903.86/x
  3. Step 3: Cross multiply
    5,261.77x = 7,261.32 × 2,903.86
  4. Step 4: Simplify right side
    5,261.77x = 21,085,856.70
  5. Step 5: Solve for x
    x = 21,085,856.70/5,261.77
  6. Step 6: Final answer
    x = 4,007.37

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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.