Home / 9,270.02-13,902.60-3,428.30

Finding the Fourth Proportional to 9,270.02, 13,902.60 and 3,428.30

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Solution

The fourth proportional to 9,270.02, 13,902.60 and 3,428.30 is: 5,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.02 : 13,902.60 = 3,428.30 : x
  2. Step 2: Convert to fraction form
    9,270.02/13,902.60 = 3,428.30/x
  3. Step 3: Cross multiply
    9,270.02x = 13,902.60 × 3,428.30
  4. Step 4: Simplify right side
    9,270.02x = 47,662,283.58
  5. Step 5: Solve for x
    x = 47,662,283.58/9,270.02
  6. Step 6: Final answer
    x = 5,141.55

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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.