Home / 5,220.57-7,826.73-2,586.24

Finding the Fourth Proportional to 5,220.57, 7,826.73 and 2,586.24

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Solution

The fourth proportional to 5,220.57, 7,826.73 and 2,586.24 is: 3,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.57 : 7,826.73 = 2,586.24 : x
  2. Step 2: Convert to fraction form
    5,220.57/7,826.73 = 2,586.24/x
  3. Step 3: Cross multiply
    5,220.57x = 7,826.73 × 2,586.24
  4. Step 4: Simplify right side
    5,220.57x = 20,241,802.20
  5. Step 5: Solve for x
    x = 20,241,802.20/5,220.57
  6. Step 6: Final answer
    x = 3,877.32

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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.