Home / 8,528.06-12,763.20-5,243.24

Finding the Fourth Proportional to 8,528.06, 12,763.20 and 5,243.24

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Solution

The fourth proportional to 8,528.06, 12,763.20 and 5,243.24 is: 7,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.06 : 12,763.20 = 5,243.24 : x
  2. Step 2: Convert to fraction form
    8,528.06/12,763.20 = 5,243.24/x
  3. Step 3: Cross multiply
    8,528.06x = 12,763.20 × 5,243.24
  4. Step 4: Simplify right side
    8,528.06x = 66,920,520.77
  5. Step 5: Solve for x
    x = 66,920,520.77/8,528.06
  6. Step 6: Final answer
    x = 7,847.10

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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.