Home / 7,980.80-11,973.14-2,434.24

Finding the Fourth Proportional to 7,980.80, 11,973.14 and 2,434.24

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Solution

The fourth proportional to 7,980.80, 11,973.14 and 2,434.24 is: 3,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.80 : 11,973.14 = 2,434.24 : x
  2. Step 2: Convert to fraction form
    7,980.80/11,973.14 = 2,434.24/x
  3. Step 3: Cross multiply
    7,980.80x = 11,973.14 × 2,434.24
  4. Step 4: Simplify right side
    7,980.80x = 29,145,484.14
  5. Step 5: Solve for x
    x = 29,145,484.14/7,980.80
  6. Step 6: Final answer
    x = 3,651.95

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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.