Home / 5,261.51-7,260.91-2,903.65

Finding the Fourth Proportional to 5,261.51, 7,260.91 and 2,903.65

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Solution

The fourth proportional to 5,261.51, 7,260.91 and 2,903.65 is: 4,007.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.51 : 7,260.91 = 2,903.65 : x
  2. Step 2: Convert to fraction form
    5,261.51/7,260.91 = 2,903.65/x
  3. Step 3: Cross multiply
    5,261.51x = 7,260.91 × 2,903.65
  4. Step 4: Simplify right side
    5,261.51x = 21,083,115.91
  5. Step 5: Solve for x
    x = 21,083,115.91/5,261.51
  6. Step 6: Final answer
    x = 4,007.04

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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.