Home / 7,877.08-11,813.46-2,328.76

Finding the Fourth Proportional to 7,877.08, 11,813.46 and 2,328.76

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Solution

The fourth proportional to 7,877.08, 11,813.46 and 2,328.76 is: 3,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.08 : 11,813.46 = 2,328.76 : x
  2. Step 2: Convert to fraction form
    7,877.08/11,813.46 = 2,328.76/x
  3. Step 3: Cross multiply
    7,877.08x = 11,813.46 × 2,328.76
  4. Step 4: Simplify right side
    7,877.08x = 27,510,713.11
  5. Step 5: Solve for x
    x = 27,510,713.11/7,877.08
  6. Step 6: Final answer
    x = 3,492.50

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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.