Home / 5,260.98-7,259.78-2,903.28

Finding the Fourth Proportional to 5,260.98, 7,259.78 and 2,903.28

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Solution

The fourth proportional to 5,260.98, 7,259.78 and 2,903.28 is: 4,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.98 : 7,259.78 = 2,903.28 : x
  2. Step 2: Convert to fraction form
    5,260.98/7,259.78 = 2,903.28/x
  3. Step 3: Cross multiply
    5,260.98x = 7,259.78 × 2,903.28
  4. Step 4: Simplify right side
    5,260.98x = 21,077,174.08
  5. Step 5: Solve for x
    x = 21,077,174.08/5,260.98
  6. Step 6: Final answer
    x = 4,006.32

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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.