Home / 7,622.64-10,515.72-4,969.08

Finding the Fourth Proportional to 7,622.64, 10,515.72 and 4,969.08

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Solution

The fourth proportional to 7,622.64, 10,515.72 and 4,969.08 is: 6,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.64 : 10,515.72 = 4,969.08 : x
  2. Step 2: Convert to fraction form
    7,622.64/10,515.72 = 4,969.08/x
  3. Step 3: Cross multiply
    7,622.64x = 10,515.72 × 4,969.08
  4. Step 4: Simplify right side
    7,622.64x = 52,253,453.94
  5. Step 5: Solve for x
    x = 52,253,453.94/7,622.64
  6. Step 6: Final answer
    x = 6,855.03

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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.