Home / 4,984.08-6,877.02-3,120

Finding the Fourth Proportional to 4,984.08, 6,877.02 and 3,120

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Solution

The fourth proportional to 4,984.08, 6,877.02 and 3,120 is: 4,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.08 : 6,877.02 = 3,120 : x
  2. Step 2: Convert to fraction form
    4,984.08/6,877.02 = 3,120/x
  3. Step 3: Cross multiply
    4,984.08x = 6,877.02 × 3,120
  4. Step 4: Simplify right side
    4,984.08x = 21,456,302.40
  5. Step 5: Solve for x
    x = 21,456,302.40/4,984.08
  6. Step 6: Final answer
    x = 4,304.97

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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.