Home / 8,528.22-12,782.61-3,901.50

Finding the Fourth Proportional to 8,528.22, 12,782.61 and 3,901.50

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Solution

The fourth proportional to 8,528.22, 12,782.61 and 3,901.50 is: 5,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.22 : 12,782.61 = 3,901.50 : x
  2. Step 2: Convert to fraction form
    8,528.22/12,782.61 = 3,901.50/x
  3. Step 3: Cross multiply
    8,528.22x = 12,782.61 × 3,901.50
  4. Step 4: Simplify right side
    8,528.22x = 49,871,352.92
  5. Step 5: Solve for x
    x = 49,871,352.92/8,528.22
  6. Step 6: Final answer
    x = 5,847.80

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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.