Home / 8,453.33-12,681.14-3,521.81

Finding the Fourth Proportional to 8,453.33, 12,681.14 and 3,521.81

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Solution

The fourth proportional to 8,453.33, 12,681.14 and 3,521.81 is: 5,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.33 : 12,681.14 = 3,521.81 : x
  2. Step 2: Convert to fraction form
    8,453.33/12,681.14 = 3,521.81/x
  3. Step 3: Cross multiply
    8,453.33x = 12,681.14 × 3,521.81
  4. Step 4: Simplify right side
    8,453.33x = 44,660,614.43
  5. Step 5: Solve for x
    x = 44,660,614.43/8,453.33
  6. Step 6: Final answer
    x = 5,283.20

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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.