Home / 5,220.90-7,832.51-1,523.41

Finding the Fourth Proportional to 5,220.90, 7,832.51 and 1,523.41

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Solution

The fourth proportional to 5,220.90, 7,832.51 and 1,523.41 is: 2,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.90 : 7,832.51 = 1,523.41 : x
  2. Step 2: Convert to fraction form
    5,220.90/7,832.51 = 1,523.41/x
  3. Step 3: Cross multiply
    5,220.90x = 7,832.51 × 1,523.41
  4. Step 4: Simplify right side
    5,220.90x = 11,932,124.06
  5. Step 5: Solve for x
    x = 11,932,124.06/5,220.90
  6. Step 6: Final answer
    x = 2,285.45

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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.