Home / 7,877.04-11,814.48-2,682.24

Finding the Fourth Proportional to 7,877.04, 11,814.48 and 2,682.24

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Solution

The fourth proportional to 7,877.04, 11,814.48 and 2,682.24 is: 4,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.04 : 11,814.48 = 2,682.24 : x
  2. Step 2: Convert to fraction form
    7,877.04/11,814.48 = 2,682.24/x
  3. Step 3: Cross multiply
    7,877.04x = 11,814.48 × 2,682.24
  4. Step 4: Simplify right side
    7,877.04x = 31,689,270.84
  5. Step 5: Solve for x
    x = 31,689,270.84/7,877.04
  6. Step 6: Final answer
    x = 4,022.99

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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.