Home / 5,261.32-7,260.79-2,903.68

Finding the Fourth Proportional to 5,261.32, 7,260.79 and 2,903.68

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Solution

The fourth proportional to 5,261.32, 7,260.79 and 2,903.68 is: 4,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.32 : 7,260.79 = 2,903.68 : x
  2. Step 2: Convert to fraction form
    5,261.32/7,260.79 = 2,903.68/x
  3. Step 3: Cross multiply
    5,261.32x = 7,260.79 × 2,903.68
  4. Step 4: Simplify right side
    5,261.32x = 21,082,974.40
  5. Step 5: Solve for x
    x = 21,082,974.40/5,261.32
  6. Step 6: Final answer
    x = 4,007.17

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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.