Home / 6,877.40-10,321.02-2,984.60

Finding the Fourth Proportional to 6,877.40, 10,321.02 and 2,984.60

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Solution

The fourth proportional to 6,877.40, 10,321.02 and 2,984.60 is: 4,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.40 : 10,321.02 = 2,984.60 : x
  2. Step 2: Convert to fraction form
    6,877.40/10,321.02 = 2,984.60/x
  3. Step 3: Cross multiply
    6,877.40x = 10,321.02 × 2,984.60
  4. Step 4: Simplify right side
    6,877.40x = 30,804,116.29
  5. Step 5: Solve for x
    x = 30,804,116.29/6,877.40
  6. Step 6: Final answer
    x = 4,479.04

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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.