Home / 7,620.80-11,437.64-3,007.04

Finding the Fourth Proportional to 7,620.80, 11,437.64 and 3,007.04

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Solution

The fourth proportional to 7,620.80, 11,437.64 and 3,007.04 is: 4,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.80 : 11,437.64 = 3,007.04 : x
  2. Step 2: Convert to fraction form
    7,620.80/11,437.64 = 3,007.04/x
  3. Step 3: Cross multiply
    7,620.80x = 11,437.64 × 3,007.04
  4. Step 4: Simplify right side
    7,620.80x = 34,393,440.99
  5. Step 5: Solve for x
    x = 34,393,440.99/7,620.80
  6. Step 6: Final answer
    x = 4,513.10

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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.