Home / 8,178.55-12,267.01-2,632.07

Finding the Fourth Proportional to 8,178.55, 12,267.01 and 2,632.07

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Solution

The fourth proportional to 8,178.55, 12,267.01 and 2,632.07 is: 3,947.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.55 : 12,267.01 = 2,632.07 : x
  2. Step 2: Convert to fraction form
    8,178.55/12,267.01 = 2,632.07/x
  3. Step 3: Cross multiply
    8,178.55x = 12,267.01 × 2,632.07
  4. Step 4: Simplify right side
    8,178.55x = 32,287,629.01
  5. Step 5: Solve for x
    x = 32,287,629.01/8,178.55
  6. Step 6: Final answer
    x = 3,947.84

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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.