Home / 7,260.20-10,890.30-2,580.26

Finding the Fourth Proportional to 7,260.20, 10,890.30 and 2,580.26

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Solution

The fourth proportional to 7,260.20, 10,890.30 and 2,580.26 is: 3,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.20 : 10,890.30 = 2,580.26 : x
  2. Step 2: Convert to fraction form
    7,260.20/10,890.30 = 2,580.26/x
  3. Step 3: Cross multiply
    7,260.20x = 10,890.30 × 2,580.26
  4. Step 4: Simplify right side
    7,260.20x = 28,099,805.48
  5. Step 5: Solve for x
    x = 28,099,805.48/7,260.20
  6. Step 6: Final answer
    x = 3,870.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.