Home / 8,447.37-12,661.32-4,543.57

Finding the Fourth Proportional to 8,447.37, 12,661.32 and 4,543.57

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Solution

The fourth proportional to 8,447.37, 12,661.32 and 4,543.57 is: 6,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.37 : 12,661.32 = 4,543.57 : x
  2. Step 2: Convert to fraction form
    8,447.37/12,661.32 = 4,543.57/x
  3. Step 3: Cross multiply
    8,447.37x = 12,661.32 × 4,543.57
  4. Step 4: Simplify right side
    8,447.37x = 57,527,593.71
  5. Step 5: Solve for x
    x = 57,527,593.71/8,447.37
  6. Step 6: Final answer
    x = 6,810.12

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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.