Home / 7,877.63-11,816.40-2,331.02

Finding the Fourth Proportional to 7,877.63, 11,816.40 and 2,331.02

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Solution

The fourth proportional to 7,877.63, 11,816.40 and 2,331.02 is: 3,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.63 : 11,816.40 = 2,331.02 : x
  2. Step 2: Convert to fraction form
    7,877.63/11,816.40 = 2,331.02/x
  3. Step 3: Cross multiply
    7,877.63x = 11,816.40 × 2,331.02
  4. Step 4: Simplify right side
    7,877.63x = 27,544,264.73
  5. Step 5: Solve for x
    x = 27,544,264.73/7,877.63
  6. Step 6: Final answer
    x = 3,496.52

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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.