Home / 5,509.72-8,260.50-2,586.28

Finding the Fourth Proportional to 5,509.72, 8,260.50 and 2,586.28

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Solution

The fourth proportional to 5,509.72, 8,260.50 and 2,586.28 is: 3,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.72 : 8,260.50 = 2,586.28 : x
  2. Step 2: Convert to fraction form
    5,509.72/8,260.50 = 2,586.28/x
  3. Step 3: Cross multiply
    5,509.72x = 8,260.50 × 2,586.28
  4. Step 4: Simplify right side
    5,509.72x = 21,363,965.94
  5. Step 5: Solve for x
    x = 21,363,965.94/5,509.72
  6. Step 6: Final answer
    x = 3,877.50

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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.