Home / 4,877.25-7,316.80-1,955.78

Finding the Fourth Proportional to 4,877.25, 7,316.80 and 1,955.78

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Solution

The fourth proportional to 4,877.25, 7,316.80 and 1,955.78 is: 2,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.25 : 7,316.80 = 1,955.78 : x
  2. Step 2: Convert to fraction form
    4,877.25/7,316.80 = 1,955.78/x
  3. Step 3: Cross multiply
    4,877.25x = 7,316.80 × 1,955.78
  4. Step 4: Simplify right side
    4,877.25x = 14,310,037.07
  5. Step 5: Solve for x
    x = 14,310,037.07/4,877.25
  6. Step 6: Final answer
    x = 2,934.04

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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.