Home / 8,453.07-12,681.05-2,609.55

Finding the Fourth Proportional to 8,453.07, 12,681.05 and 2,609.55

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Solution

The fourth proportional to 8,453.07, 12,681.05 and 2,609.55 is: 3,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.07 : 12,681.05 = 2,609.55 : x
  2. Step 2: Convert to fraction form
    8,453.07/12,681.05 = 2,609.55/x
  3. Step 3: Cross multiply
    8,453.07x = 12,681.05 × 2,609.55
  4. Step 4: Simplify right side
    8,453.07x = 33,091,820.98
  5. Step 5: Solve for x
    x = 33,091,820.98/8,453.07
  6. Step 6: Final answer
    x = 3,914.77

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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.