Home / 7,877.21-11,813.04-2,329.07

Finding the Fourth Proportional to 7,877.21, 11,813.04 and 2,329.07

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Solution

The fourth proportional to 7,877.21, 11,813.04 and 2,329.07 is: 3,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.21 : 11,813.04 = 2,329.07 : x
  2. Step 2: Convert to fraction form
    7,877.21/11,813.04 = 2,329.07/x
  3. Step 3: Cross multiply
    7,877.21x = 11,813.04 × 2,329.07
  4. Step 4: Simplify right side
    7,877.21x = 27,513,338.01
  5. Step 5: Solve for x
    x = 27,513,338.01/7,877.21
  6. Step 6: Final answer
    x = 3,492.78

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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.