Home / 8,752.20-13,130.26-3,205.43

Finding the Fourth Proportional to 8,752.20, 13,130.26 and 3,205.43

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Solution

The fourth proportional to 8,752.20, 13,130.26 and 3,205.43 is: 4,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.20 : 13,130.26 = 3,205.43 : x
  2. Step 2: Convert to fraction form
    8,752.20/13,130.26 = 3,205.43/x
  3. Step 3: Cross multiply
    8,752.20x = 13,130.26 × 3,205.43
  4. Step 4: Simplify right side
    8,752.20x = 42,088,154.12
  5. Step 5: Solve for x
    x = 42,088,154.12/8,752.20
  6. Step 6: Final answer
    x = 4,808.87

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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.