Home / 8,771.34-13,158.80-3,224.74

Finding the Fourth Proportional to 8,771.34, 13,158.80 and 3,224.74

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Solution

The fourth proportional to 8,771.34, 13,158.80 and 3,224.74 is: 4,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.34 : 13,158.80 = 3,224.74 : x
  2. Step 2: Convert to fraction form
    8,771.34/13,158.80 = 3,224.74/x
  3. Step 3: Cross multiply
    8,771.34x = 13,158.80 × 3,224.74
  4. Step 4: Simplify right side
    8,771.34x = 42,433,708.71
  5. Step 5: Solve for x
    x = 42,433,708.71/8,771.34
  6. Step 6: Final answer
    x = 4,837.77

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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.