Home / 4,660.12-6,980.46-2,902.60

Finding the Fourth Proportional to 4,660.12, 6,980.46 and 2,902.60

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Solution

The fourth proportional to 4,660.12, 6,980.46 and 2,902.60 is: 4,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.12 : 6,980.46 = 2,902.60 : x
  2. Step 2: Convert to fraction form
    4,660.12/6,980.46 = 2,902.60/x
  3. Step 3: Cross multiply
    4,660.12x = 6,980.46 × 2,902.60
  4. Step 4: Simplify right side
    4,660.12x = 20,261,483.20
  5. Step 5: Solve for x
    x = 20,261,483.20/4,660.12
  6. Step 6: Final answer
    x = 4,347.85

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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.