Home / 4,877.02-7,315.49-1,955.28

Finding the Fourth Proportional to 4,877.02, 7,315.49 and 1,955.28

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Solution

The fourth proportional to 4,877.02, 7,315.49 and 1,955.28 is: 2,932.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.02 : 7,315.49 = 1,955.28 : x
  2. Step 2: Convert to fraction form
    4,877.02/7,315.49 = 1,955.28/x
  3. Step 3: Cross multiply
    4,877.02x = 7,315.49 × 1,955.28
  4. Step 4: Simplify right side
    4,877.02x = 14,303,836.18
  5. Step 5: Solve for x
    x = 14,303,836.18/4,877.02
  6. Step 6: Final answer
    x = 2,932.91

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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.