Home / 8,125.13-11,211.87-4,539.80

Finding the Fourth Proportional to 8,125.13, 11,211.87 and 4,539.80

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Solution

The fourth proportional to 8,125.13, 11,211.87 and 4,539.80 is: 6,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.13 : 11,211.87 = 4,539.80 : x
  2. Step 2: Convert to fraction form
    8,125.13/11,211.87 = 4,539.80/x
  3. Step 3: Cross multiply
    8,125.13x = 11,211.87 × 4,539.80
  4. Step 4: Simplify right side
    8,125.13x = 50,899,647.43
  5. Step 5: Solve for x
    x = 50,899,647.43/8,125.13
  6. Step 6: Final answer
    x = 6,264.47

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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.