Home / 4,241.40-6,345.90-2,783.40

Finding the Fourth Proportional to 4,241.40, 6,345.90 and 2,783.40

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Solution

The fourth proportional to 4,241.40, 6,345.90 and 2,783.40 is: 4,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,241.40 : 6,345.90 = 2,783.40 : x
  2. Step 2: Convert to fraction form
    4,241.40/6,345.90 = 2,783.40/x
  3. Step 3: Cross multiply
    4,241.40x = 6,345.90 × 2,783.40
  4. Step 4: Simplify right side
    4,241.40x = 17,663,178.06
  5. Step 5: Solve for x
    x = 17,663,178.06/4,241.40
  6. Step 6: Final answer
    x = 4,164.47

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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.