Home / 8,277.81-12,422.65-3,012.81

Finding the Fourth Proportional to 8,277.81, 12,422.65 and 3,012.81

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Solution

The fourth proportional to 8,277.81, 12,422.65 and 3,012.81 is: 4,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.81 : 12,422.65 = 3,012.81 : x
  2. Step 2: Convert to fraction form
    8,277.81/12,422.65 = 3,012.81/x
  3. Step 3: Cross multiply
    8,277.81x = 12,422.65 × 3,012.81
  4. Step 4: Simplify right side
    8,277.81x = 37,427,069.08
  5. Step 5: Solve for x
    x = 37,427,069.08/8,277.81
  6. Step 6: Final answer
    x = 4,521.37

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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.