Home / 9,240.80-12,752.60-5,049.05

Finding the Fourth Proportional to 9,240.80, 12,752.60 and 5,049.05

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Solution

The fourth proportional to 9,240.80, 12,752.60 and 5,049.05 is: 6,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.80 : 12,752.60 = 5,049.05 : x
  2. Step 2: Convert to fraction form
    9,240.80/12,752.60 = 5,049.05/x
  3. Step 3: Cross multiply
    9,240.80x = 12,752.60 × 5,049.05
  4. Step 4: Simplify right side
    9,240.80x = 64,388,515.03
  5. Step 5: Solve for x
    x = 64,388,515.03/9,240.80
  6. Step 6: Final answer
    x = 6,967.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.