Home / 8,147.39-12,222.95-2,953.26

Finding the Fourth Proportional to 8,147.39, 12,222.95 and 2,953.26

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Solution

The fourth proportional to 8,147.39, 12,222.95 and 2,953.26 is: 4,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.39 : 12,222.95 = 2,953.26 : x
  2. Step 2: Convert to fraction form
    8,147.39/12,222.95 = 2,953.26/x
  3. Step 3: Cross multiply
    8,147.39x = 12,222.95 × 2,953.26
  4. Step 4: Simplify right side
    8,147.39x = 36,097,534.55
  5. Step 5: Solve for x
    x = 36,097,534.55/8,147.39
  6. Step 6: Final answer
    x = 4,430.57

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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.