Home / 4,218.60-6,330.46-1,910.12

Finding the Fourth Proportional to 4,218.60, 6,330.46 and 1,910.12

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Solution

The fourth proportional to 4,218.60, 6,330.46 and 1,910.12 is: 2,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.60 : 6,330.46 = 1,910.12 : x
  2. Step 2: Convert to fraction form
    4,218.60/6,330.46 = 1,910.12/x
  3. Step 3: Cross multiply
    4,218.60x = 6,330.46 × 1,910.12
  4. Step 4: Simplify right side
    4,218.60x = 12,091,938.26
  5. Step 5: Solve for x
    x = 12,091,938.26/4,218.60
  6. Step 6: Final answer
    x = 2,866.34

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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.