Home / 7,855.02-11,782.94-2,011.68

Finding the Fourth Proportional to 7,855.02, 11,782.94 and 2,011.68

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Solution

The fourth proportional to 7,855.02, 11,782.94 and 2,011.68 is: 3,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.02 : 11,782.94 = 2,011.68 : x
  2. Step 2: Convert to fraction form
    7,855.02/11,782.94 = 2,011.68/x
  3. Step 3: Cross multiply
    7,855.02x = 11,782.94 × 2,011.68
  4. Step 4: Simplify right side
    7,855.02x = 23,703,494.68
  5. Step 5: Solve for x
    x = 23,703,494.68/7,855.02
  6. Step 6: Final answer
    x = 3,017.62

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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.