Home / 4,253.40-6,385.30-2,693.40

Finding the Fourth Proportional to 4,253.40, 6,385.30 and 2,693.40

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Solution

The fourth proportional to 4,253.40, 6,385.30 and 2,693.40 is: 4,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.40 : 6,385.30 = 2,693.40 : x
  2. Step 2: Convert to fraction form
    4,253.40/6,385.30 = 2,693.40/x
  3. Step 3: Cross multiply
    4,253.40x = 6,385.30 × 2,693.40
  4. Step 4: Simplify right side
    4,253.40x = 17,198,167.02
  5. Step 5: Solve for x
    x = 17,198,167.02/4,253.40
  6. Step 6: Final answer
    x = 4,043.39

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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.