Home / 5,261.69-7,260.92-2,903.80

Finding the Fourth Proportional to 5,261.69, 7,260.92 and 2,903.80

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Solution

The fourth proportional to 5,261.69, 7,260.92 and 2,903.80 is: 4,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.69 : 7,260.92 = 2,903.80 : x
  2. Step 2: Convert to fraction form
    5,261.69/7,260.92 = 2,903.80/x
  3. Step 3: Cross multiply
    5,261.69x = 7,260.92 × 2,903.80
  4. Step 4: Simplify right side
    5,261.69x = 21,084,259.50
  5. Step 5: Solve for x
    x = 21,084,259.50/5,261.69
  6. Step 6: Final answer
    x = 4,007.13

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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.