Home / 4,984.00-6,877.80-3,215.61

Finding the Fourth Proportional to 4,984.00, 6,877.80 and 3,215.61

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Solution

The fourth proportional to 4,984.00, 6,877.80 and 3,215.61 is: 4,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.00 : 6,877.80 = 3,215.61 : x
  2. Step 2: Convert to fraction form
    4,984.00/6,877.80 = 3,215.61/x
  3. Step 3: Cross multiply
    4,984.00x = 6,877.80 × 3,215.61
  4. Step 4: Simplify right side
    4,984.00x = 22,116,322.46
  5. Step 5: Solve for x
    x = 22,116,322.46/4,984.00
  6. Step 6: Final answer
    x = 4,437.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.