Home / 8,501.37-12,755.13-4,342.43

Finding the Fourth Proportional to 8,501.37, 12,755.13 and 4,342.43

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Solution

The fourth proportional to 8,501.37, 12,755.13 and 4,342.43 is: 6,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.37 : 12,755.13 = 4,342.43 : x
  2. Step 2: Convert to fraction form
    8,501.37/12,755.13 = 4,342.43/x
  3. Step 3: Cross multiply
    8,501.37x = 12,755.13 × 4,342.43
  4. Step 4: Simplify right side
    8,501.37x = 55,388,259.17
  5. Step 5: Solve for x
    x = 55,388,259.17/8,501.37
  6. Step 6: Final answer
    x = 6,515.22

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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.