Home / 5,261.07-7,259.97-2,903.21

Finding the Fourth Proportional to 5,261.07, 7,259.97 and 2,903.21

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Solution

The fourth proportional to 5,261.07, 7,259.97 and 2,903.21 is: 4,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.07 : 7,259.97 = 2,903.21 : x
  2. Step 2: Convert to fraction form
    5,261.07/7,259.97 = 2,903.21/x
  3. Step 3: Cross multiply
    5,261.07x = 7,259.97 × 2,903.21
  4. Step 4: Simplify right side
    5,261.07x = 21,077,181.20
  5. Step 5: Solve for x
    x = 21,077,181.20/5,261.07
  6. Step 6: Final answer
    x = 4,006.25

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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.